OCZ TRION 100 SERIES 960GB 2.5" SSD - $349.95 @ Computer Lounge

Not the fastest SSD around, but if size is your requirement, then it doesn't get much cheaper; price per gigabyte than this when it comes to SSD's.

Next generation Toshiba A19 TLC NAND Flash & Toshiba Controller Technology
Sleek housing offers slimmer 7mm z-height for compatibility with the ultra-thin notebooks
3 Year OCZ Shield Plus Warranty- an elite worry-free customer service experience that eliminates the hassle surrounding traditional support and warranty claims, with exclusive features including free return shipping and advanced replacement
Capacity: 960GB
Form Factor: 2.5 inch
Interface: SATA 6Gb/s (Compatible with SATA 3Gb/s and SATA 1.5Gb/s)
Max sequential Read speed: 550MB/s; Max sequential Write speed: 530 MB/s; Max Random Read: 90,000 IOPS; Max Random Write: 64,000 IOPS
Endurance: TBW (Total Bytes Written) 240 TB; Daily Usage Guidelines of 219 GB/day