What brand is your computer? Or, if it is custom built, what is your motherboard?
If you don't know, download Belarc Advisor (((Link to download Advisor)))
. It's free, so don't sweat it. Run it, and print the results.
Go to the manufacturer's website and look up the specs for your motherboard. Look for the socket type and the maximum supported CPU size. This way , you know if you can upgrade your CPU, and you know what you can upgrade to.
If upgrading is not a viable solution (max CPU, obsolete parts), check out the inventory at Retrobox.com (http://retrobox.com/rbwww/home/searc...p?bin_id=world
). The selection may not be cutting edge, but their prices are low enough to justify buying a system for your new hard drive. All of the computers come without an OS, but you already have ME.