Loving this a lot. Might I suggest changing the time limit or forking it perhaps? I feel this would be more suited to a longer time limit such as ending a few days after the last deposit. With double trouble games it slows down quickly due to how fast the gap grows, but with 1.1x that gap would grow very slowly encouraging quick redeposits.

I have tried messing with flags, can't seem to bump it past that.

Edit: Just realized you're overclocking it. I'm not bothering with that due to heat and the fan. I've pushed it up to 290 just using the built in overclocking in CCC.

I've probably lost more than I've won on them, but it's nice gambling regardless.

Mining doesn't stop for a few decades. However, the benefits from it will decrease substantially over the next few years. This is also dependent on things like the amount of users mining, number of people using bitcoins, etc and how that may vary over time.

260 MHash/s with my 5850

There are several ways to calculate the average time it will take to finish a block solo, but unless you have some large computing farm it will take several months. In general it's just plain easier to go with a pool as you still earn a decent amount (depending on the pool owner's cut), but you receive smaller payments in much more frequent intervals. In some of the larger pools, payments could be .01 coins every hour or two if you've got a decent machine.


Profitability calculator: http://www.alloscomp.com/bitcoin/calculator.php