Kingston SSDNow V Series 30GB Boot Drive Review
 

Why would Kingston be coming out with a 30GB SSD boot drive if
they already have a 40GB for sale? Without providing TRIM or garbage
collection, Kingston scrapped the product and wanted to produce
something the community was asking for. The 30GB boot drive was born
with a new controller and slightly better specs.

http://www.hardwarelogic.com/articles.php?id=6441