You asked for it, you got it. I'm 6"3 and not that big. XXL's barely go past my shoulders for any type of abercrombie t-shirt. Long sleeved are another problem, simply because they are only long enough to cover my belly button or my wrists.
For the orignal poster, it is tougher finding stuff that fits, dress clothes are much eaiser IMO. Dress shirts and slacks are pretty easy to tailor, so that helps.