Was just about to order this direct from Nails Inc. when a kind fellow poster PM'ed me about this & yes, my waitlist order is indeed on its way according to my account status page! Yay!
Shall probably be ordering direct from now on though as I like the mix 'n' match idea! (Not expecting that gorgeous red from the Spring Sensations kit to last long - DD came downstairs wearing it on her toes, typical that she'd sniff out my fav colour & pinch that one! lol)