IMO
1) cdt 07--IMO worth the added cost
2) iridiums--dont pay more than 400-450
3) focal k2p (even over the utopias)-400-500--tweeters need to be tamed
or get a 4 channel and head over to diymobileaudio.com and try your hand at a cheaper DIY compnent set
that may sound just as good as the ready made component sets using some lpg tweets, dayton, or seas midranges