1st +2nd are ok.. i think about 7.6/10
then 3d +4th as others said are pretty much the same.. the look good so 8/10
5th one is ok.. not that good though.. 7.3/10
6th is my best! just change the font... lol :P i give it a 8.6/10!! B)
Last the avatar is also ok.. so 7.5/10...

thats all... B)

c ya + welcome to gfxvoid!!