USB Mouse Jittery, Why?

I have a usb mouse, which by the way works perfect on other computers, for some reason on the macbook it is jittery, when i move the mouse around slowly it sort of justs a few pixels, its strange and annoying, any help
Thank you.

Not likely - the transfer speed between FireWire and USB 2.0 isn't that noticeable. FireWire transfers about 400 mb/s while the USB 2.0 can go up to 480 mb/s.
If you asked Apple why FireWire is more stable, they'd probably tell you it's because they developed it. =P
The difference between the two is this - the more devices plugged into a USB port, the more degredation for the transfer speed. Essentially, if you plug 5 devices into your USB 2.0 slots, they won't all go at 480 mb/s, but will split up the 480 transfer speed among the 5 devices.
If you have a thousand FireWire devices all plugged into your FireWire ports, however, they will all go 400 mb/s. It's more of an issue of being able to balance multiple devices that makes everyone believe that there aren't any major issues with FireWire as opposed to USB.

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    Hi Trukntigger,
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