This is pretty neat. Neat enough to make me use it over Emacs? ...maybe. But Emacs+GDB is pretty hard to beat. Unless you're an MDB user, I suppose. Other than syntax, I never really saw the difference.<p>GAS support is nice. I actually like AT&T syntax, but I seem to be in the minority on that.
When i was a teaching assistant for a Microprocessors course(undergrad), I used SASM and the students really liked the low entry barrier. Combined it with masm for Assembly fundamentals.<p>Recommend it.