I haven't uninstalled it yet only because I want to try a few plugs just for fun, but I am more than convinced that it isn't for me.
On the positive side, I dug those Massenburg plug-ins and a couple of effects.
The instruments seem pretty uninspiring.
I did not find a way to create consolidated instrument tracks so far.
The GUI just won't work for me.
DP feels way too slow when compared to Logic. Almost like comparing Windows 98 to W7.
A good friend of mine here in Vegas uses Digital Performer, Logic and Pro Tools and does quite a bit of scoring. I remember him telling me last year that although he liked DP and some of its very cool features, nowadays, he's not really using it half as much as he used to and that he sticks w/ Logic most of the time. Over the years, feature-wise, the gap has closed and in terms of workflow, Logic is light-years ahead of DP.
So when compared overall, though DP offers some theoretical refinements in certain areas, practically speaking, Logic's a more efficient all-in-one solution.
Unlike Cubase and Logic users, some Sonar users could potentially be more attracted to DP, considering that Cakewalk is the only original big guy which never really seemed to care much for those 2 areas in which DP shines - scoring to movie and notation.