I got the '05 Sphynx and for me the PROS are: quality construction, very cushy and comfy footbed, flexible support. The CONS: laces loosen sometimes, heavy. Never tried the Alphas, but if I were bying a new binding, I'd look at the Shanes first because of better support that the closed toe reportedly offers and that they're MUCH lighter than the '05 Sphynx (like two pounds per binding, if I'm not mistaken).. Just my $0.02...
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