Using torrents goes beyond just opening ports. You have to find out your optimal upload and download speeds, which varies for everyone. The number of seeds is probably the biggest factor in determining download speed.
This thread proberbly SHOULD be locked... Fret's on fire is freeware, yeah, but the song pack's tend to be Rip's. And those are illegal to distribute...
oh, wow.... ok, yeah, mods, i think this thread should have a big old padlock on it now... i dont support downloading anything illegally, and if the song packs are illegal, then... yeah....