knotscott said what I was thinking to ask: have you ever tried tubes?
I would also think about features: remote volume; remote balance; tone controls. depending on your habits, a 'loudness' circuit for boosting bass when listening at low volumes;
for future flexibility, you might want pre-in. that could be used for anything with it's own volume control.
and, consider future use with a stereo pair of subs. you would want pre-out and main in so both the amp and the main speakers get relieved of low bass production
I would also think about features: remote volume; remote balance; tone controls. depending on your habits, a 'loudness' circuit for boosting bass when listening at low volumes;
for future flexibility, you might want pre-in. that could be used for anything with it's own volume control.
and, consider future use with a stereo pair of subs. you would want pre-out and main in so both the amp and the main speakers get relieved of low bass production