Buy.com has currently lowered the cost on a wide range of different Mac computers, starting with the 3.06GHz Dual-Core iMac All-in-One Desktop Computer (model no. MC508LL/A) with 500GB hard drive, 4GB of RAM, built-in Wi-Fi and Bluetooth support, and a 21.5-inch display. Now priced at $1,119.99, this iMac has dropped $80 off its previous $1,199.99 list price, and has turned into the best deal we could find for a new version of this computer by about $30. FREE shipping is also included, and sales tax applies for residents of New York and California.

The 2.4GHz Sony VAIO J Series All-in-One Desktop Computer (model no. VPCJ117FX/B) is available today as part of Newegg.com’s Black Friday Bargain Blowout, and priced at only $999.99. With this discount the once $1,299.99 priced computer has now dropped $300, and become the greatest deal we could find by about $195. Features include a 500GB hard drive and 6GB of Ram, a wireless keyboard and mouse, built-in Motion EYE camera and microphone, and a 21.5-inch touchscreen with full HD 1920 x 1080 resolution. FREE shipping is included as well, and sales tax applies for residents of California, New Jersey, New York, and Tennessee.

The refurbished 2.8GHz HP Pavilion Slimline s5514y Desktop Computer (model no. HPBM393AAR) with 500GB hard drive and 4GB of RAM, fast Ethernet support, 6-in-1 card reader, two USB ports, and the Windows 7 Home Premium 64-bit operating system, is available this week from Buy.com for only $369.99. With this sale the desktop has dropped $430 off its regular price of $799.99, and turned into the lowest possible price we have seen this particular model for. FREE shipping is included as well, and sales tax applies for residents of New York and California.

Newegg.com has recently lowered the cost of the 21.5-inch, 2.4GHz Sony VAIO All-in-One Desktop Computer (model no. VPCJ117FX/B) complete with 6GB of built-in Ram, a 500GB hard drive, NVIDIA GeForce 310M graphics card, and the Windows 7 Home Premium 64-bit operating system. With this price drop the once $1,299.99 desktop has now dropped to $1,149.99, resulting in savings of up to $150 off the list price, and savings of $50 when compared to the next best price available for this computer. FREE shipping is also included, and sales tax applies for residents of California, New Jersey, New York, and Tennessee.

The 1.6GHz Asus Eee Top All-in-One Desktop PC (model no. ETP1602C-BK-P0226) is available this week from Buy.com for only $429.99, which is $200 off its previous $629.99 list price, and about $100 less than the next best cost we have seen this particular computer for. Included in the Asus is 2GB of RAM and a 160GB hard drive, a 15.6-inch touchscreen display, built-in webcam, and the Windows XP Professional Edition operating system. FREE ground delivery has also been included with this deal, and sales tax applies for residents of California, and New Jersey.

Staples.com this week is offering $200 off the 2.26GHz Sony Vario J Series All-in-One Touch Screen PC (model no. VPCJ113FX/B), complete with 4GB of RAM and 500GB hard drive, Full HD 1920 x 1080 resolution, built-in Motion Eye camera, Microsoft Windows 7 Home Premium operating system, and one year warranty. With this discount the once $999.98 price desktop has now dropped to $799.98, and become the best price we could find for this model by about $140. FREE shipping is also included, and sales tax applies for residents of most states.

Onsale.com today has lowered the cost of the 2.8GHz HP Pavilion P6310F Desktop Computer (model no. AY018AAR#ABA) by $116, which turns its once $529.99 list price into the new $412.99 discounted price, and makes it the best cost we could find for this desktop by about $37. Included with this deal are a 1TB SATA hard drive, 6GB of RAM, a NVIDIA GeForce 9100 graphics card, 15-in-1 memory card reader, and the Microsoft Windows 7 operating system. Shipping rates start at $23.79 and sales tax applies for residents of California, Illinois, Minnesota, Tennessee, and Wisconsin.

Vanns.com’s Deal of the Day is the 1.86GHz Sony VAIO All-in-One Desktop Computer (model no. VPCJ112FX/B) complete with 500GB hard drive, 21.5-inch full-HD 1080p LCD display, 4GB of RAM, and an Intel HD graphics card. Previously listed as $959.98, this computer has dropped $260 off its list price, and is now available for only $699.98. This is also the best price we could find for this computer by about $160. FREE shipping is included with this deal, and sales tax does not apply.

Refurbdepot.com is currently offering the refurbished 2.13GHz HP TouchSmart All-in-One Desktop (model no. 600-1120) for only $888.95, which makes it 55.6% less than its original list price of $1,999.99, and turns it into the lowest price available for this desktop by about $100. Features include a 23-inch HD touchscreen display, 4GB of RAM, a 1TB hard drive, integrated webcam, and Windows 7 Home Premium operating system. Shipping rates start at $29.95 and sales tax applies for residents of New York.

Apple’s online store is offering the refurbished 2.66GHz Mac Pro (model no. MB871LL/A) for only $2119, which results in a $380 price drop from its previous $2499 list price, and turns this into the lowest cost available for this particular Mac Pro by about $170. With this computer users receive 4GB of built-in RAM, a 640GB hard drive, the NVIDIA GeForce GT 120 graphics card with 512MB GDDR3 memory, and a one year warranty through Apple. FREE shipping is also included, and sales tax applies for residents of most states.