Dunno, if you want a mag feature you may wish to check out edition38. Not to say there aren't mag worthy cars on this site, I just think this site is slightly less "scene points" orientated.
Vr6 swap is relatively straight forward, especially if you use the mk3 golf setup/widetrack/donor car.
However as has been discussed countless times is that the vr is heavier and thus upsets the handling in a light shell. As to whether it does or not is still conjecture.
G60 swap would use same mounting points but would require S/c etc assuming it's an 8v gti to begin with. But try finding a g60 motor for sensible money...
1.8t would get you most bang for £ and 300bhp relatively cheaply.
All would need upgraded brakes etc.
However if you want a mag feature my advice would be to look around the site and others get some ideas, let your imagination and ingenuity run wild and build something for yourself that you will enjoy owning and driving, rather than something that will impress other people that perhaps you'll only meet once.
just my 3p worth...
... Although a passat Turbo'd R36 and 4x4 drivetrain would get you a feature for sure. Or fit a W12 and supercharge it
