looking to grow in a green house this year how is this one?

how is this green house it says hot house too but dunno if theres a difference

http://www.ebay.com/itm/Greenhouse-15x7x7-LARGE-Green-Garden-Hot-House-NEW-/330734708314?pt=LH_DefaultDomain_0&hash=item4d0153265a

I originally had my eyes set on this one but the top I mention above is alot cheaper
http://www.amazon.com/Spring-Gardener-Gable-Greenhouse-Feet/dp/B0037QGR7O/ref=sr_1_1?ie=UTF8&qid=1337391830&sr=8-1

what do you guys think? thanks

Jeeze .... jus go and buy some rebar and PVC n plastic and build your own!