I'm still using the 3GS that I bought about a week after they went on sale, and it works like a charm (though I too may upgrade next week, depending on what get

I'm still using the 3GS that I bought about a week after they went on sale, and it works like a charm (though I too may upgrade next week, depending on what gets announced). Luck of the draw, I guess, though it sucks that Apple wasn't able to give you any more concrete diagnosis of what's wrong.