Just so you can answer better, I already have:
4 Audix OM2
an Audix Fusion 4 Drum Pack (3 F10, 1 F12)
a Shure SM57
The OM2 sounds pretty good on my voice (not stellar, but I think its a problem with the source not the mic...), which is why I'm even considering not getting a large-diaphragm mic...