Default [Q] Problem installing GApps with CWM after formatting sd-ext

Strange problem with my Desire now.. I formatted my sd-ext partition as there were probs and I wanted to start again.. reinstalled CM7.2, but installing gapps does not make the Market / Play app appear... I want to use 4EXT from Market, maybe I should download it.

Also - my Home button no longer works... maybe this is a hardware issue?