tornactive.com

or

importhorizon.com

are your two best bets for the Neuspeed Koni Yellows, and the Regular Koni Yellows.

I personally want to get the Neuspeed-Koni/H&R Sport combo soon, and I don't see why don't won't perform much better than the stock shocks/stock springs...

***EDIT*** Tornactive.com is no longer a sponsor...