Amp4 is ready enough to use ...

Screenshot:

Helperdeck for Amp4: http://github.com/AnthonBerg/helperd...amp4prerelease

Shoes, which runs Helperdeck, for Windows: http://cloud.github.com/downloads/sh...es-0.r1134.exe
... and Mac: http://cloud.github.com/downloads/sh...oes/shoes2.dmg

Same drill as usual: Download Win or Mac app, plus the Helperdeck ZIPfile from Github. Unzip and open 'helperdeck.rb'. Easy - takes 2 minutes.