After running Debian Lenny for a while, Ive got a few things to report.
Performance is admirable and is certainly a step up from Ubuntu 8.04 in terms of reponsiveness. However, not all packages behaved well
Read it here
Finally, when I had all those things set up, I tried installing Alpha Centauri Planetary Pack (from Lokigames) for some fun. Well, it turns out that the new glibc, kernel, and 64 bit hotness didnt play well with SMAC. Thankfully, the following guide and forum posts pointed me to disable AIGLX and installing the loki_compat pack. Once that was done, I could play the game