Let the hive mind of Engadget get that for you.
"I'm looking for a solid state drive, around 32 to 64GB, for use in my web server. The drive will contain my web sites and the operating system, either Windows Server 2008 R2 or Ubuntu. Large storage is handled by a separate RAID array, so capacity is not an issue. Rather, I am looking for the fastest, longest-lasting, and most reliable drive under $150 that is suitable to my application. Any thoughts? Thanks!"
That would truly be just short of incredible to offer even just an hour long show for download on XBL in HD. I hope they can pull it off but even with my 9 Mbps download I wouldn't be expecting to get that episode very quick at all.