Yes. Hannity is on ABC Radio on Sirus. Sirius has two conservative talkradio channels - Ingraham, Tammy Bruce, GG Liddy, Jerry Doyle, and many others.
XM has Laura Ingraham, Dr Laura, Michael Reagan, and Rusty Humphries.
Conservative talk is well represented on both XM and Sirius.
"Dr Laura"
I really wish XM would put her somewhere else. She may be conservative, but that is not what she talks about.
Don't forget Michael Medved.
XM also has Hannity and Tony Snow (and Dr. Laura, whatever-the-hell she is). And I believe Liddy is coming soon.