Gold Member Deal of the Week (Monday) - Resident Evil 5 Versus Mode (240 points)
Retail North America (Tuesday) - Backyard Football 2010 - Bakugan: Battle Brawlers - Borderlands - FIFA Soccer 10 - Lips: Number One Hits - WWE Smackdown vs. Raw 2010
Games on Demand (Tuesday) - Army of Two - Midnight Club: Los Angeles - Sonic Unleashed
Rock Band DLC (Tuesday; 1,280 points or 160 each): - "Another One Bites the Dust" - "Crazy Little Thing Called Love" - "Fat Bottomed Girls" - "I Want It All" - "I Want to Break Free" - "Killer Queen" - "One Vision" - "Somebody to Love" - "Tie Your Mother Down" - "Under Pressure"
The Beatles Rock Band DLC (Tuesday) - Abbey Road (full details here - what with medleys and such, it gets a bit confusing)
There is a way to network to a Windows based system. I don't know if it's possible to port your hard drive saves from the Xbox to a PC, but I know you can go from PC to the Xbox. However, it's a moot point because I don't have a PC, just a Mac