A strong comparison here, BTC is a strong market leader that is popular and currently preferred by many, ETH on the other hand is performing will in the market and is considered a project for the future, make your choice according to your goals.

i Very much agree, this would be great as it will not only save time but also reduce the risks of currying fiat currencies around. i think it would be a brilliant idea

I was on garlicoin but that ship has sailed.  Someone mentioned $6 per card.  What are you guys mining for that?  Lux?  ZER?