I have a PC-based DSO that connects via parallel port that I'd like to get working via USB (preferable) or at least ExpressCard. I picked up a USB-parallel adapter from MicroCenter thinking it would ...

If your mouse is ever laggy or skips, then it might not be an issue with the mouse itself, it could be the USB port that you have it plugged into.

Choosing the right USB port helps ensure your flash drive works reliably, and a few simple tweaks on your computer can further improve performance.