Thansk for the link AndewA ! I had a look through and there seems to many ways to get this job done!
I've been looking around on ebay and I found this kit, which seems like would be good bang for buck solution for fret leveling : Frater Music Fret Leveling Kit
Fret levelling file, Fret crowing tool, Fret protector, and a standard file (I'll probably use my scale model files instead).
Oh, I'll also need to buy a fret rocker separately too.