For most would-be Windows 7 users, a 64-bit version of Windows 7 is the right move. But if you don’t have sufficient RAM (at least 4GB), or you rely on devices that don’t have supporting 64-bit ...
I have a couple of printer servers, one Win 2000 (yes...) and one Win 2003 STD. And they have been hosting printer queues for network attached printers (fairly common printers by HP, Ricoh and Canon) ...