Hi,
Welcome to VW ownership!
I have a MKII as you can see in my signature pic. Getting deep dish alloys i.e 9 X 15/16 onto a MKII is not as easy as some think. There's a lot of body work to be done to get them not to scrub.
My wheels are 9 X 16 with ET15 Offset. I have just had G60 arches put on to make the car look right with the wider wheels along with a lot of arch modification.
The only advice I can give you is to choose the wheels carefully, try Keskin KT1's, Schmidt, Brock, Borbet. Most are old skool wheels but are still made.
Try
http://www.dubmeister.co.uk/ for wheels, you'll need coilovers, height and dampening adjustable to get a decent drop and still be safe with the arches. But be prepared to have a fairly harsh ride.
Hope that helps??
G0ldy