e39 Koni Suspension

[Rush]

Has anyone come across this? http://cgi.ebay.com/ebaymotors/Koni-FSD-Suspension-Kit-Shocks-Struts-BMW-E39_W0QQcmdZViewItemQQcategoryZ33590QQihZ019QQitem Z8076330761QQrdZ1QQsspagenameZWD1V

Any feedback? How does it work and if it actually works?

[O.S.]

one dude from roadfly board has just installed them and like them alot
here is the link:
http://bimmer.roadfly.com/bmw/forums/e39/7779142-1.html

there are several threads about his experiences with Koni FSD+ HR Springs

I am planning to get a set for myself one day