I wore some asics "court" (volleyball, etc) shoes for awhile.
they were fine, maybe wore out abit quicker but since i paid $30 bucks for them I'd do it over and over if i could (at that price).
not a good clay court tread though.
I'm really liking the NB (low profile) shoes, i think they just switched to new model. check Joe's NB site on the interwebs.
Microgel Radical MP (5), Cheap 16g Gut/ RedDevil 1.19 - 56/54# (among other setups)