personally, i dont think its worth the extra money for the 3-ways. ive heard both the 2 and 3 ways of the older version (62.5 & 63.5i) and couldnt tell any difference. both were pushed w/ 60 rms. dont know for sure about the new versions but infinitys usually have pretty good high frequency response (may even be too much for some people). imo, the 2 ways will do