Phillips Silvervision 4200k white headlight bulbs

http://cgi.ebay.com.au/NEW-H4-Philip...QQcmdZViewItem

Has anyone tried these at all? Just wondering if they are any good. Seem pricey. It claims to be whiter than Phillips Crystalvision...

check this:
http://www.ozhonda.com/forum/showthr...ghlight=lights

Nice.

So anyway, has nobody used these at all???