I've recently installed VmWare Server on a new box. For some reason, VmWare packages RPMs but not DEBs, so I had to do a nonstandard local install from the generic .tar.gz installer. That's not difficult, but now there is no way for me to track updates, including security-related ones.
Come on VmWare, get your act together: it's 2009, people expect this sort of feature these days. Since you bother to build RPMs, it's clear that you can package stuff properly if you want to. If you are not sure what distribution to pick in the sea of available Debian-clones, just track Debian-stable and let the community do the rest.