well from what geoff raicer at full race told me the spool rate for the gt30r will only be a minimal diff. of 500rpms over the t3/t4 and the benefits of a ball bearing center housing(longer life, less maintence, faster spool) out weighs the cons...cuz the trubo that comes with the kit is a t3/t4 hybrid w/ 57 trim hotside so its already on the "larger" side anyways for a 1.6liter...cuz the kit including turbo is good for up to 450hp and i believe the gt30r is good up to 480hp....so his reasoning adds up plus ive had several others(one guy...joe who works at a perf. shop and has a 10 sec. civic with the gt35r) recommend this turbo as one of the best "street" turbo's plus i will obviously upgrade the suspension like full race street traction bar system, bilstein struts, lowering springs, urethane motor mounts and some bfgoodrich g-force kdw tires....nothing is set in stone but i appreciate the help...let me tell you i was questioning the legitimacy of this thread but you've made me a believer...i love sleepers and a accord is always a good sleeper...too bad its not a 4dr