For what it's worth, and all other things being equal I'd probably take the Cobra. Better layout for your requirements, and the Cobras I've been out with seem well put together. (Full disclosure: I've never actually helmed one myself)
Nothing wrong with XS mind, just a bit more 'rough'n'ready'.
My only query, looking at the pics would be on the age of the engine on the XS. That doesn't look like a 2009 4 stroke Merc to me. Looks a lot more like one of their newer models. I'm sure someone will be along in a bit to confirm, or shoot me down, but if the engine is significantly newer than the hull, then it's a different ball game.
(Edit: after careful reading the engine is 2012. So that puts the cat amongst the pigeons. Personally I'd rather have a 2012 4-stroke than a 12 year old Opti.)
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