I'm a very happy DP7 user working with VEP5.
I don't use bounce though - I bus the inputs directly to stems in real time which is something DP can do which Logic and Cubase can't. I go from up to 90 or so VEP inputs to 12 mix stems then down to 3 delivery stems all in a single pass. I found that when I bounced mixes, too often there were glitches so Id have to review the mix anyway so I decided at least mixing to stems in real time, I know the whole mix is clean and it doesn't take any longer than checking the mixes. I still freeze things from VEP and that works fine but I wouldn't do that with each line of a mix unless I was going to prepare prerecords for a protools sessions when working with live players and mixing in an outside studio. Freezing works really well for that.
I'm far more frustrated by DP's lack of 64bit which is causing daily problems. (sigh)