986 MOST audio upgrade

[johnnyboy666]

My headunit has various buttons that dont work so needs to be replaced but ai would like to have ipod or at the lease mp3 cd action. I want a stock look and dont want to rip out the amp so ai have been looking at this,

www.caraudiodirect.co.uk/ctspo003-2-porsche-cayenn...

Any one used this to add a standard head unit withe the factory MOST amp?