I'm using the 2x card right now because I got it free for the first year. I'll do the math after the first year and see if it's worth the fee or not. If it's not, I'll just switch it over to the free card. With as much traveling as I do, I suspect it'll probably be worth it for me.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz