Apple’s online store this week is offering a variety of sales on different Mac Pros, the most affordable one being the refurbished 2.8GHz Mac Pro (model no. FA70LL/A) which has dropped $500 off its $2,899 list price and is now available for $2,399. This is the lowest cost we have seen for this particular Mac Pro and that’s with FREE shipping included. Sales tax applies for residents of most states.

Next up is the refurbished 2.93GHz Mac Pro complete with Quad-Core processor, 3GB of RAM and a 640GB hard drive. It’s currently on sale for $2,549 and has FREE ground delivery included. Also on sale at Apple.com is the refurbished 2.66GHz Mac Pro which offers two Quad-Core processors and 6GBs worth of RAM. It’s currently the most expensive Mac Pro available in Apples refurbished section, weighing in at $3,999 and includes FREE shipping. Equip your Mac Pro with the 24-inch Apple LED Cinema Display that is on sale for $848 and can be found at Amazon.com.

The Mac Pro features two 2.8GHz Quad-Core Intel Xeon processors, 2GB of memory (expandable to 16GB), 320GB hard drive, and two 16x SuperDrives. It has a NVIDIA GeForce 7300 GT graphics card with 256MB of memory, comes with a Mighty Mouse and keyboard, and has Mac OS X 10.4 pre-installed. It is backed by Apple's standard one year warranty. Dimensions: (H) 20.1" x (W) 8.1" x (D) 18.7"; weight 42.2lbs.