I personally don't care. However, the more "concrete" stuff we get about Revan, the less speculation. The more concrete his identity, the more of an immersive story they can write in K3.
Why male?
>well, I think it is obvious that Bastila was written as Revan's lover or (wannabe lover). I think more Revan accolytes would appreciate seeing them together than would be offended by a hard-coded identity. I could be wrong but I think Revan and Bastila together would be good for business.
Why LS?
>generally speaking, SW protagonists are LS. Even Anakin was ultimately LS (redeemed). LFL has already said that Revan is LS continuity-wise.
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i rather liked revan as a female and seeing her end up with carth, but thats just my opion