There’s a list of reasons that the very idea of paying more than $10 for an iPhone OS game strikes me as… well, not unfathomable, but just a real big stretch. Number one on that list? Sony’s $20 game Wipeout HD for the PlayStation 3. You might recall that I wound up with a PlayStation 3 as a holiday gift a couple of years ago, and said quite explicitly that I wouldn’t have purchased the console for myself because of its way-too-expensive…