[scheides]

IMHO a 2G isn't a 2G w/o a FMIC. Just looks empty w/o one. The DAY I bought my 2G Eclipse I called up buschur and ordered their 2G FMIC kit. I loved it! I'd say something is better than nothing. An ebay core may be fine for your power level, but don't be surprised if your power is low later on. You could probably make good power on the stock SMIC, but it will heatsoak if you hit the gas several times in a row.

I say just put in the stuff you got (fuel and tuning stuff) and get it tuned. That way you know its safe. Do a bunch of runs on the dyno & heatsoak it, see if it starts to knock or if a heatsoaked SMIC just hurts your power. Get the FMIC later when you have more $$. If it were me, I'd just get it all done at once (and do it now!) and just rock the solid setup for a while. No need to half-ass anything, it will only hurt you in the end.