This is probably a very common problem that everyone knows the answer to but I'd appreciate some help. I have a Epsom Stylus 950 but have soon noticed the prints don't match what I see on the screen

How do I ensure what I see on the screen (Ihave a Dell flat screen) is translated into what I print out
Also any recommendations on the best type of paper to use?

The first step is to calibrate your monitor.

A relatively inexpensive way is to use a device like this:
http://www.photographyblog.com/reviews_colorplus.php