Are you in the baltimore area?
I haven't messed with any other hops in this beer yet, because I like how it is.
If I was to do it with different hops I'd probably follow this schedule:
1oz CTZ @ 60
1oz Cascade @ 20
1oz Of your favorite aroma/flavor hops @ 10/5/dry hop
I'd recommend some simcoe/amarillo if your LHBS has it.