The Sonance Mariner H20 outdoor speaker is available at Vanns.com for $89.77, which is $220 off the original price of $309.77 and for today only (1/27/09) save an additional $20 instantly dropping the price to $69.77.  FREE shipping is included and there is no sales tax.
 

The Sonance Mariner, weather resistant outdoor speaker, has a 5-100W power rating, 8 ohms nominal, 4 ohms minimum impedance, 1" cloth dome tweeter, two 5.25" polypropylene code with rubber surrounding.  All speakers are magnetically shielded and include C-bracket mounting system.  It is backed by a five year warranty from Sonance.  Dimensions:  (W) 7.50" x (H) 21" x (D) 7.25"