Just wanted to say they 219 is working quite nicely on 2003. I've had a few problems but so far this build is very nice.
We have a large generated class, over 30,000 lines. This opens nicely although it causes the memory usage to soar, and the usage remains high even after closing the file which is a pity.
For some reason the Resolve References did not work until I used the short-cut Ctrl-Alt-O, now it's working on it's own all the time.
Really enjoying the faster start-up time, we switch solutions quite often so this helps. Our solution has 7 projects with about 500,000 lines of code.