"I'll remember that the next time I see ID'ers bashed for their lack of scientific proof, lol!"
I would agree with all of those edited statements.
It is quite true that God cannot be proven or disproven using todays scientific tools.
The difference between the idea that the universe has always existed and the idea of God WRT the ability to test them scientifically is that while we can't test either one now, in principle it is possible to test the idea that the universe has always existed, but it is impossible to test for the existence of God. The first would require new technology and/or more ingenious scientists. To test something, however, implies that the result of your test could in fact turn out negative. However, if your belief is in an omnipotent God, then there's no possible observation that could cause you to reject that idea. God could cause you to see anything He wants you to see. Therefore, a meaningful test of God's existence is not possible even in principle.