Given all the factors that contribute to the sound, how you can know that you've made the right choice when you buy a snare?
Because you like the sound? Because you decide to go with the best available option, at that moment, using your best available judgement? (Yes, these are all meant to be rhetorical questions.)
I think it's safe to say that I'm the Cafe "poster boy" for snare drum minutae. I love the "granular" details. I love exploring different shells, different parts, different tunings - far more than most drummers I know (at the Cafe and elsewhere). However, there comes a time where one just "picks a horse and rides it." That's why I suggested that Danny get something fairly "middle of the road" to start with for this next purchase, and if he decides in the future that it's not to his liking, he can move on from there.
Very few of us are still playing the first snare drum we ever owned (or the second, or even the third). Time passes, we accumulate knowledge, our tastes change, we become aware of different makes and models of drums...but at some point, you've got to go out, trust your ears, and find the best that's available to you. If it's a wrong decision, that's OK - sell that drum and get another one. Or keep the first drum and get another one. Or modify the drum. Or modify the first drum and get another one. Or...you get the idea.
One shouldn't fall victim to the idea that you have to have X-amount of research completed before you can find something you like. That can stop a shopper in his tracks, and at various times in this thread it has started to look like Danny was beginning to fall into that trap. If it's time to buy something, buy something. It's not an irreversible decision.
(I think I'll just buy an acrolite off ebay, then I won't have to worry about this),
Lots of guys do just that.