Have you listened to any of them? If not why not? If you have, which ones did you like the most?
Buy the ones you like the most. If you haven't heard any of them I wouldn't buy anything. Buying speakers you haven't heard is the easiest way to get speakers you're not satisfied with.
ARC SP9, HW19, RB300, Sumiko Blackbird front: Acoustat Spectra 22, 2 x 12" TL subs 2 bridged Crown XLS 402, 2 modified Dyna MK-III's. Behringer CX2310, DSP1124P, rear: Acoustat Model 1/SPW-1, Paradigm X-30, 2 Adcom GFA-545