Quark is a fairly old altcoin that has lately faded however it is making quite the comeback. It has surprising profitability mining wise, and is getting promotion.
https://www.youtube.com/watch?v=j7j3gOiwZfk(Going to be used in the new Shaq Fu game.)
As well there is a solo mining raffle going on here:
http://quarktalk.org/pages/mining_jackpot/You could possibly win 2.01 BTC worth of quark.
Thoughts?