Is terminator salvation going to suck?

ok , of course the person that the movie is known for is not going to be in it, and theirs whole different cast. I think terminator salvation is going to suck. Its going to be a another version of doom but with a terminator theme song lol .The whole cast is diffrent and the second word of the title is salvation..... come on... wheres the 4 ?? , there also going to put batman as shawn conner lol wow they sholdev use the last charcter of shawn conner..