Listing some of those nice features would help me decide, you know :p
-Mic Chatting while in other games
-Charging your iPod and listening to music from it at the same time
-Keyboard adapter for the controller
-Facebook ( Added more recently. I believe there is one for PS3 as well. )
-Free gold weekends
-A selection of games that I enjoy.
-A avatar system that doesn't go too over the top
-A currency to buy games with that can allow you to also buy songs via Zune
I like these features and I enjoy my Xbox Console
As an added feature,
-snot has xbox live
also inb4 somebody who enjoys the ps3 quotes and edits my text in bold making comments