Rockman (original and X at least, haven't played Dash and EXE) tends to have awesome music, IMO, as do TECMO games (DOA, Ninja Gaiden, etc.). F-Zero series and DDR series also rock for soundtracks.
<i>TekkaRepliroid Zero</i>
I'll Never be the One that she Needs (first DL-able vid, ops appreciated)
"OOW, Why does it huuuuuuurt?!" - Zim
"Ooonly if you dance with meeeee" - GIR