ok well if your dropping "20g's" into your civic there is alot you can my friend. First of all the H22 is not exactly a plug and play application here. There is alot of extra work that needs to be done just to get it to fit. No Power steering or a/c can be used because of the lack of room. You would need new mounts for both the motor and transmission, axles, and the whole nine yards. Turboing that motor is not that great when compared to boosting a B series. The cylinder walls are thinner and the compression is a little high.
Now this is what i would do if i were you. Drop in a B18C5 (Integra GSR, or Type R). This is a much easier swap new motor mounts and your basically all set. You wil stil have about 15000 bucks left. Build the motor up if you go Turbo, cams, valves, valve springs, retainers, low comp pistons, new rods, P&P the head. You can do alot man, but theoretically B series if you want, even a LS-Vtec. Shit drop in a K20 or K24. But don;t forget with power comes new brakes and suspension. You got he money to do alot just plan it out. And lastly TUNING you get teh most out of what you do through tuning.