Yup... not a GT problem.
I'm on an embarressingly slow DSL (western Montana, you know) and have no problems with GT or other sites. Undoubtedly, your problem is between your system's settings, your ISP, and the nodes/backbone it relies upon.
Good luck. Let us know what you find out.
"It takes a lot of devotion and work, or maybe I should say play, because if you love it, that's what it amounts to. I haven't found any shortcuts, and I've been looking for a long time."
-- Chet Atkins
-- Chet Atkins