Suspension set up is easy! Especially for the first year! You do a whole bag of NOTHING to your car... at most good tires. Go out, drive the car, learn what autocross is, destroy the stock tires or whatever tires are on the car, then the next year you only add what you feel needs changed, most likely tires if you didn't replace them the year before, most likely shocks/struts and most likely an adjustable rear sway bar... continue running for a year making small changes to the rear sway bar and shock/strut settings.
I went a full year bone stock and enjoyed the ever living piss out of it!

I also killed the stock tires! Great excuse to upgrade, so I did. I also did shocks/struts, springs, adjustable swaybars and Watts link all at once... I kind of regret it, but I kinda dont. Lots of things to play with, different things to understand what they do, but you do it in steps and not all at once and it is less of a headache and gives you time to soak it all in.
To be honest, these cars really don't need anything to go out and have fun. To go out and compete it gets more expensive (good tires are not cheap) and as you change things the desire to "max out" to the class you are in gets stronger and stronger and stronger. The best advice I can give you right now is forget your performance mod plans (suspension and power) for right now and go out to a few events and drive your car. Learn to know what understeer and oversteer feel like and how the car reacts at the limits and how to get the car to those limits as fast as possible without going over them. You will eventually learn what you need to change about the car and the easiest way to achieve it and the rest kind of falls into place.
I personally take a more data and nuts and bolts approach to suspension tuning because I like getting involved in every little detail and using those advantages to maximize the performance of the car. Some people don't care why a Watts link can create better handling, they just want to know that it can. Those same people don't care why a swaybar increases or decreases understeer, they just care that it does it. I prefer to know why I am making changes. There is nothing wrong with either school of thought, it's just two different ways to accomplish the same goal. I prefer to know why, some just prefer that it does what they want it to do.
So yes, go out and do it, have fun, kill the tires you are on now and next tax season buy some new ones that are better.

I don't know what all you have done to your current car, but some form of camber adjustment to get more than the factory -0.75Âş is a wise decision as will squaring up your wheels/tires so you can rotate them correctly. Both will help with tire wear in the long run and the alignment is nice but not immediate. I'm running around -1.7Âşish and I'm still getting some outside tire wear indicating I need more negative camber. I drive harder than most do on the street though...
The worst thing though is to just sit here and think about doing it. Watching Nationals and knowing I'm not down there watching in person is aggravating enough!