Think rockmonkey has done alot more to his mk4 than pretty much anyone on here, certainly setup-wise, so to discount his opinion would be slightly silly.
After spending that much, if it was still to end up with 'sh!tty handling' i'm sure he would have split, broke, re-couped and invested in something that handled better even if he chose it for it's sleeper looks.
By keeping it, using it on track and by the sounds of it, enjoying it quite alot, is testiment that they can be made to perform well, just not by sticking a set of £200 coilovers on and thinking it is going to completely transform the car, which is exactly what I did.