I agree with shaunj- its a badge thing really..have owned 4 golfs: 1.6 carb, 2 x 8v gtis and now a 16v and love them all.
I keep on trying to stop this fixation by trying to buy other cars but there genuinely is something special about the mk2 golf.
At the grand old age of 28 i am slowly working through classic 80's performance cars (my insurance is cheap and so are the cars)
Its all very personal- In my humble opinion i found the 1.9 205gti, r5 turbo, astra gte 16v to be awful cars; any paper tiger will know they are 'faster' then standard 8v/16v golfs but each one has either nasty chassis gremlins, awful build, terrible ergonomics or quite frankly horrible styling/image that offset more power/better handling/grip/feedback etc. Also done Maestro turbo,m535i, Metro 16v, Mk1 Golf 1600gti, Nissan 180sx and 4.0 xj6 (if you havent been to le mans, buy a £300 jag, what a road trip!) I dont keep cars for long and usually break even/make a slight profit too!
Please dont take all this as me boasting- i am just speaking from lucky personal experience but the point is i keep coming back to the Volkswagen Golf Mk2 as the one car i want to own.
The Mk2 Golf Gti is a truly iconic hot hatch because it always seems to polarise opinion on the road..you either get respect or raced. There is a dick near me who often proves that his standard Nissan Almera Gti is quicker than my standard 16v but he must be quite sad to know he is in a Nissan Almera Gti.

Mechanically I find 8v and 16v engines easy to work on ( downpipe joint aside

) but the 16v takes slightly longer (e.g 32 tiny valve collets versus 16!)
As for the 8v/16v debate...my 16v is getting 2.0 litres soon which probably means i am heading for best of both...