Ive had 50meg for years, the only problem ive ever had is streaming media.
I.e you tube, embedded video etc. It always stutters and is even worse over wifi on my ipad2, it drives me made as my connection always been excellent.
i have d-link dir-615 router
heres my results, if you need more indepth info, let me know but please explain how to get it as i maybe unsure.