If you use your keyboard for long periods of time it's worth while investing in a good quality keyboard.

If you use your mouse for long periods of time it's worth while investing in a good quality mouse.

There is often a tiny speaker built into your MB to warn you of error conditions, but for music, etc. the sound quality is awful. Tiny speakers are often built into your monitor, which may be good enough for a basic music and speech but for quality sound you need to invest in quality speakers. Connections to your PC range from a mini-jack plug for headphones on most MBs, to a supplementary audio card with, say, 5:1 connectors.

Most people don't even think about surge protection when they buy a PC, but when you go out and spend a lot of money on a machine it is wise to think about protection.

Noise can enter power lines from nearby electrical equipment, such as vending machines and heavy industrial equipment. A single brief surge/spike of electricity could render your machine useless and/or destroy the Power Supply Unit.

Your investing in a new PC we strongly recommend you protect your hardware with a surge protector.