Buy a Zoom 1201. 50 bucks with even more than only reverb, and the reverbs sound great. It even has a great vocoder too. For the $450 you save you can buy a complete synth kfhkh
Just for the record: GS is a place where members advice other members to get rid of a BigSky and buy a Midiverb 2 or even Zoom 1201 in order to improve the sound quality of their reverb. If I still had some faith in the advice one can expect from GS: Now it's gone!
Reverb and multi-effects