i also thought tht the 1.8t's prefere the 5 speed box....
It is better suited 
Its better suited to a standard 150bhp turbo YES
Soon as you remap or have a k03s or bigger then NO - The 02M is more suited.
Hence they fit 02M's on everything fitted with an S or above.
Basically what you need for conversion...
* 02M FWD Gearbox
* 02M 6 Speed Gear Linkage
* 02M Flywheel(4cyl.)
* 02M Clutch
* 02M Starter Motor
* 02M Front 2WD Driveshafts
I did say RING me if you wanted to know anything, Saves me typing it out all time but each to there own....