Windows Vista Wireless disconnects when doing certain things

[Archonius]

[H]ello,

I'm having this problem where my Vista computer will get booted off the wireless network when doing certain things. Usually its something intense, like when torrents run at higher speeds, or PS3 media server trying to stream anything to the console.

Router: Linksys WRT54GL, latest Tomato firmware (tried Tomato and linksys default)

Let me give you a brief history:
1. Desktop PC with Windows XP installed. Wireless works great! No disconnects.
2. Same Desktop PC, installed Vista. Now I get disconnected from wireless periodically, usually when doing the above mentioned activities.
3. Same Desktop PC, reverting to Windows XP. Wireless works great!
4. Laptop with Vista pre-installed. Get disconnected when doing the above activities.
5. Playstation 3 on wireless. Seems to never get disconnected, most intense activity is playing games or downloading stuff from PSN store.

So I'm pretty sure its Vista that's the issue, not the particular hardware involved in the computers. I'm thinking my router might be an issue... it might not be too friendly with Vista?

I've done many google searches and tried many things including disabling IPv6.

Any help would be appreciated. Thanks!