In regards about internet speed, you could take a look at this post on why you are not getting the speeds you desire (in a very abstract way): SU5, terrible GFX - #69 by scriptkid
I can add much more to this on why it is the case.
To summarize, the quality of the speed at which data is being downloaded can not be blamed to one party if you have not ruled out all other parties. This also includes checking your own router.