major issues streaming media with good internet connection

i figured i would through this issue up on the boards before i call it quits and spend money on something else. i started out using wifi connection to my ps3, and steaming things such as netflix, vudu, pandora, ect. was fair but worked. over time things have gotten much worse. it would hang up with audio and video. stoping the movie and restarting buys some glitch free streaming for a few min., but it always comes back. when pandora starts hanging, i have to close browser then reopen it to clear it up.

so i thought i would look into my internet, got the cable company out there and after a couple of visits and a replaced modem i was recieving over 15m speeds that i'm paying for, and that drops to 6m or so at peak times sometimes. all my problems streaming were still there.

next i moved my modem to the playstation eleminating wifi to it, that didn't work.

next i thought my router must be hanging up streaming so i replaced the d link dir-655 router with what i read is the best netgear r6300. this showed some improvement, still using wired connection to ps3, but my pc connection speed is greatly improved. hanging up still occures streaming but not as often, still bad enough that we do not use it for frustration sake.

my thoughts are my playstation acts just like a computer does when it needs a good whipe of the virtual memory and disk clean up. i powered it down and turned the power switch off on the back for a day. i couldn't find any options for a disk clean up in my menu's. this gave my about 15min of clean streaming tthen it started back.

when my media starts hanging, i've gotten into running speed tests by my phone connected to wifi just to see where i'm at. it appears to be not related to my issues. like said above i get speeds over 15m-6m consistantly. i've had time running 3m or below and it not glitching my streaming.

does anybody know what my problem may be or am i beating a dead horse trying to use my ps3 for this feature?

thanks

something weird happened, i watched 3 shows and it didn't pause or glitch at all. i haven't changed a single thing, just gave it another try. idk, maybe its a server thing i just hope it continues to work. also my sony bluray played error free last night too, but i haven't used it in a very long time and didn't have problems before with it.