How much 9mm do you plan on shooting? Do yuo plan on loading other calibres? Your volume requirements will drive choice of press. A turret press would be bare minimum for very low volume reloading, with a quality progressive (Dillon, Hornady, RCBS) being greatly preferred. You don't need to start out with a single stage; learn to use the right tool for the job from the start. You can start off running one case at a time through a progressive to get the feel for operating it.
I use a Dillon RL550 for all my rifle and pistol reloading. With it, I can crank out 100 rounds of pistol ammo in about 10-12 minutes. I find it a good match to my requirements: I shoot about 100 rounds 9mm, .40, or .45 and about a couple dozen .44 Magnum every week. Budget about $700-$800 to get yourself well set up to load 9mm.