Should I buy this iMac for HD video editing?

Would this processor/RAM/graphics card combo be good for editing homemade HD videos? That's primarily what this computer would be used for. a href="http://store.apple.com/us/configure/MC510LL/A?mco=MTg1ODA3Nzg" rel="nofollow"http://store.apple.com/us/configure/MC51…/a Thanks!