Instead of buying a new system or base unit why not consider an upgrade. All upgrades are undertaken. From a ram module to a full rebuild including, motherboard, CPU, power supply, hard drive in fact everything to speed up your system.
The computer case, which your machine is housed in, is an important part of the upgrade. New cases aren't that expensive so even if you have a older style case a replacement won't be that costly.
All new replacement parts are covered by a 1 year warranty.
Software upgrades are also available either operating systems or applications and utilities such as anti virus and firewalls to protect you when on the Internet and is especially when connected to a broadband connection.
Call the shop and talk to one of our experienced engineers about what can be done to your computer.