It used to be a toss-up between the two, but recently Changelly has been dropping the ball and BlockTrades has had massively improved rates.
It's a no-brainer for me.
Is the Bitwala card in the mail now??? I remember how cool it was to get my Shift bitcoin card :D
It should be on its way. They say 7 day delivery, but I think it comes from Germany. Looking forward to it