What i meant was as a starting point, the 5/4 would be fine for ages, he would have to spend heaps of hours on the track to warrant an upgrade, and when he is ready for an upgrade he doesn't have to spend a sh#t load of cash.
The bilsteins you use for your group buys are the 'bottom of the barrel' range, which you then revalve which is fine for some. There are plenty of quick guys here in vic that use jap coilovers, and im sure your r32 has had 'extra special' attention to the suspension setup