Here are some reasons the Recon armor permutation is the best out there.
reason 1. It looks cool
reason 2. Bragging rights
reason 3. Little kids scream "OMG He hAz R3c0nz!" or "h0w doz i haz rec0nz?"
reason 4. Not many people have it
Reply with reasons 1, 2, 3, or 4, or all of the above. Or if you're creative, post one of your own.