I moved to dallas a few years back. so im also lookin for a way...but i think the ravens game is on comcast sports net .com http://comcastsportsnet.tv/pages/landing_redskins?2009-Redskins-Preseason-Schedule-on-CSN=1&blockID=68994&feedID=272
"*The LIVE feed of the 8/13 Redskins @ Ravens game will be blacked out in the Salisbury DMA (Sussex, DE; Dorchester, Somerset, Wicomico and Worcester, MD)":dallasuck