To think that David Gilmour waited 22 years to record his third solo album is a pretty solid indicator that he's not the kind of bloke to merely cash in on his name. After all, he's the guy who sold his house for four million English pounds and gave the money to charity. Perhaps now that the Pink Floyd reunion happened and he and Roger Waters are at least civil to one another, the Floyd enigma can finally find its way into the annals of history and rock legend…