The refurbished one I bought was a Gateway - refurbished by them -I could look at the records on the Gateway site of what was upgraded on it.

But I bought it from a local reseller - they did give me restore disks {after I asked} & a 90 day warranty{ it worked fine for the 90 days LOL}.
But it just has some general odd issues and we have to reinstall the xp pro and all the correct drivers every other month...
So it's not reliable for saving or storing anything important.

It's just that it is still a used machine and the prices of new ones have come down to some very affordable levels.