I'll add a different point of view, but I doubt you'll listen since you apparently know more than everyone here... which makes me wonder why you even asked?
Buy a DHM race intercooler and crash bar. I guarantee you, one of three things will happen:
1. you'll love it, and you'll keep the car forever
2. you'll love it, and decide at some point you want to go big turbo. Great! you can keep the IC you already have. Can't say that for any other IC...
3. you'll love it, but decide you want to sell the car. at this point, you can take the DHM IC off, sell it (it should hold value better than any other IC since, you know, it's the best one), then put the stock one back on the car and sell it.
Then get a stage 3 tune. Optional: buy a downpipe from 2j racing for $200. BAM! $1100 stage 3! And if you decide to go big turbo, you don't have to deal with selling shit and wasting more money. GG have fun.