Sharing from vista to PS3

I'm trying to share My Video, My Music and My Picture folders over my home network. My goal is to be able to stream them to my PS3.
I had it all working, then i got a new hard drive for my media, and moved all of my media content to it from my old hd (secondary hd, not the one w/ the OS on it).
Now, on my PS3 when i click on my computer as a server it only recognizes a few of the many folders, and only a couple of the files.
I have many seasons of tv shows that i've recorded, but for instance, w/ the Simpsons it will only recognize 4 episodes from season 20 and none of the rest, although they are all in the same format.
It only recognizes 3 songs out of the 30+ gb of music i have (in mp3, i know m4a doesn't work on the ps3).
But the wierdest is that it doesn't even show the folders i have in the shared directory. Even if incompatible media were in those folder it should still display them... I'm stumped

Thanx for any help
and i'm sry if i started to ramble

My computer is:
AMD: Athlon 64 X2 5200+ 2886 MHz
Mobo: Gigabyte M57SLI-S4 v.2
RAM: 4GB Mushkin DDR2 PC2-6400
OS: Vista 64bit SP2
VC: EVGA 8800 GTS 320MB
Router: NetgearWGR614 v8