Hi,
It's doesn't use any more than other printers. It has eight separate cartridges, which cost $15-20 each. It's a pretty old model, from 2004, so a more current model will probably be better. Some of their current models are Supertank refillable cartridges, which should reduce costs over the long run.
There is always a debate over which brands are the best - Epson, Canon, HP, Lexmark, Brother, etc. I would look at some of the review sites and see what folks are saying.
An all-in-one works for most people, and it is convenient and space saving.
Let us know what you are looking at, and we'd be happy to take a look.
C