The folks in the forums at dslreports.com are generally on top of this like a hawk and are probably a better resource than here. For what its worth, Comcast often provides temporary speed enhancements for the first so many bytes in x seconds, ("powerboost"), which can often throw off short flash-based speedtests.
On Mon, Feb 4, 2013 at 11:09 PM, Ishmael Rufus <sakam...@gmail.com> wrote: > Could someone help verify the listed speeds for the different services > for Comcast: > > Performance - 20mbps (Customer support is claiming it's now 15mbps) > Blast - 30 mbps (Customer support is claiming it's now 20 mbps) > > I was getting 20+ download speed tests on Performance which is correct. > When I told customer support I was getting half (because of packet loss) > they brought this other information to my attention >