Hmmm. I don't think that a completely profile-less site would work. Users would be too worried about meeting a weirdo, someone they found deeply unattractive, or someone with highly different creed. Er, think of a strongly Christian person "dating" a staunch Atheist. Users would want at least some way of weeding out dates that would be time-wasters.

But if the profile and the date were intermingled somehow, then yeah, that might work.