Windows 7 by default defrags on a schedule. This does nothing for speed but adds wear to your SSD.

More tips at http://www.tomshardware.com/forum/1813-63-tomshardware
http://en.community.dell.com/owners-club/alienware/f/3746/t/19568143

How I picked my last SSD? Read:
http://www.tomshardware.com/reviews/ssd-recommendation-benchmark,3269.html
http://www.cnet.com/topics/storage/best-hard-drives-and-storage/ssd/

And again, backup. Why?
http://www.pcworld.com/article/2920727/leaving-unpowered-ssds-in-a-warm-room-can-kill-your-data-fast.html