600 bucks isn't going to get you much of a gaming rig unless you build it yourself. For you ISP, check your local area. I'm sure they have DSL or Cable available.
____________________________
People don't like to be meddled with. We tell them what to do, what to think, don't run, don't walk. We're in their homes and in their heads and we haven't the right. We're meddlesome. ~River Tam
Sedao