One question many people in the industry ask themselves is why a computer for traders ought to be any different than those used by other professions. The answer lies in the speed of high end machines versus the slower speeds of other computers. Trading computers, for best results, need to be able to process information with up to the second prices on stocks, bonds, etc., since failing to get the exact price of the moment can throw off your profit and loss ratios at the end of the day.
Look for a trading computer setup with a solid warranty from a company that is known to stand behind its work. Plenty of RAM is also a must for a stock trading computer, and a powerful desktop unit, as opposed to a laptop, generally makes the best trading computer overall. Look for fast processors as well, and you should be able to find an excellent computer for traders with little trouble. If all else fails, search the web for some of the best available options today, and you should be able to find the perfect computer for traders within your budget fairly soon! Good references here.