In reply to jdf:
Depends on what fits well and what you're planning on climbing.
Something like Petzl Lynx, BD Stinger or Cyborg, Grivel G14 or Austria Alpine SkySteep would be my general advice.
How ever, if you're planning on doing mellower climbing and snowplods, something like Grivel G12 or BD Snaggletooth might be a good bet.
Again, getting a good fit is key...