Not much left to say for me, is there?
I concur.
A prequel would be nice, very very nice, and goodness knows I'd enjoy going through the Mandalorian wars (with Revan, of course), and that Jolee idea sounds very tempting, too.
Still, a sequel would be more needed. Although I haven't finished KotOR II yet, from what I've heard in this thread I guess I won't be getting any answers to Revan's fate (or, indeed, the Exile's). A proper ending's probably more important than a proper beginning, and besides, a prequel would ruin our perfect little stories we've dreamed up about Revan and/or whoever it is anyone dreamed up anything about.
Erm. In any case...
How great would it be if we got both?
Now you're just being greedy, missy.
BTW, I still voted 'Prequel', just for the sake of it. All hail the underdog!