>>48
I do agree that OpenGenera is pretty great, and Emacs+SLIME is close, but still not as decent in some ways (although there are some features that were not on Genera by default).
>>49
Fuck off. No, seriously, fuck off and die. A proper optimizing JIT will destroy the debugging information required to step into any code at any time. Oh sure, you can keep that info around all the time, but that's a bit USELESS.
I love being able to step into/analyze other people's code. Usually it's not too bad with some Lisp implementations where you can just build stuff yourself and thus you'll be able to debug anything. Obviously this has some slight speed penalty.