Wanted: Assorted Items - Wheelset, caliper, etc..

Hi everyone im looking for some parts to build myself a little commuter just to stuff around on along with some other random parts im hoping someone will have lying around.

First of im looking for a black elixir 5 caliper. - Price what ever is considered reasonable.

Next, a cheap/free wheelset that is maybe from an old bike or thats lying around with nothing to do and wanting a good home?

Thanks in advance for the help!!

Jono.