KillerStartups.com Rocks me

Recently I got a very useful website : http://www.killerstartups.com
Amazed to see this site : this contains all latest release of new startups with amazing ideas ,
just in a 2 days , it rocks me, I cannot believe that daily everyday such nice sites release

for example i got
* http://www.opengoo.org/join.html --- (L) AMP based web office --
*
* Tagatum.com --- How tags are co-related with each other --
* CoolIris.com - 3D Full Screen Browsing
* http://buglabs.net/products - Yes, Hardware meshups --
* http://www.unnecessaryknowledge.com/ -- (Ex Americans on average eat 18 acres of pizza every day)
* ideascale.com -- a idea wiki