I would suggest the OS 12tz 3 port. I goes for about $229 on tower. LHS prices may be cheaper. Shop around first. Tuning is great with this engine. It makes some serious power, enough power to hang with the higher priced italian engines when driven and tuned correctly. It is also a ROAR legal 12 engine.
Glad you're thinking about starting racing but before you do, go to the track to get a feel of it. Observe the attitude of the crowd on a normal race day. Take note of what car's are more popular out there. Main reason I say this is so you're not overwhelmed the first day out.
I also say this because even though the evo is a popular car for the beginner, it's also not a popular car for racing. I am sure you will be fine using it in the beginning, which is great. You'll learn how to race but will soon start eyeing a more suitable car to compete with during a race.
AND as eddy stated, looking good won't do anything. Good match for budget and/or driving skills is more important.