http://text.dslreports.com/mspeed
There is no sign up. I've used it for a long time.
EDIT: Wow, they say i'm getting 160.3 Kbps on my gprs connection! The site i linked gives me 54 Kbps. Which one do you think is more accurate?
EDIT2: ok, make sure you clear your cache or completly read Jason's post before you expect to get a reliable answer from this site. :lol: