After a brief, mostly successful experiment at growing a couple tomato plants last season, now giving serious thought to getting a raised bed going. I happened upon this outfit:

http://www.orcaboard.com/page/DPDL/CTGY/RB

I know cinder/concrete blocks are probably the most cost effective solution, but I have to admit the ease and convenience of something like the kit above is appealing. Besides, I don't know how many cinder blocks I could load into my Forester before it got too weighed down. Anybody have any knowledge or thoughts of this material?