Coming from that douchebag, I'd say that's a ringing endorsement that she's not only competent and able, but also worthy of sitting on the Supreme Court.
Seriously, Rush is the new stupidity litmus test. If he's on one side of an issue, you can be fairly certain that:
a) it's the wrong side,
b) he's supporting it for the wrong reason,
c) it's motivated by his own sexism, racism, homophobia and general dislike for anyone who's not like him (i.e. a hypocritical, bitter, fat, conservative, white guy with a drug habit).