Erratic cursor, Windows XP and IBM NetVista

Hi,

At work I have just been given an IBM NetVista 6350-53U, P4 2Ghz, with
1Gb of memory. It is installed with MS-Windows XP. Its primary use is
as a Java development workstation. Normally I have Eclipse, Mozilla,
iTunes, Trillin and and Windows Explorer running. The problem is that
when ever the is a slight CPU spike the cursor slows down or jumps
around. Also sometimes iTunes will stutter, but this is less frequent
than the mouse issue.

My last computer was a no-brand P3 800Mhz with 512Mb of memory,
running Windows 2000. It is running the same batch of programs as the
new computer. It was slow in comparison, but I never experienced this
sort of erratic behaviour with the mouse cursor, or iTunes sound break
up. It is using the exact same Logitech optical USB mouse as I am
using with the IBM (I just switched it over).

I have no idea whether this issue is MS-WIndows XP related or IBM
NetVista related. I downloaded and installed the latest mouse driver
from Logitech, but that doesn't seem to have helped things.

Does anyone have any suggestions? My support staff thinks its my issue
- their way of saying they don't want to deal with the problem :-/

regards

Tarken