Well i was calculating with it with different prices that had been on the market over the time (all been considered as 'more effective' and neither was).

Actually the stale shares are another point that makes i0coin even more inefficient for me, cause at mining bitcoins i have ~1-2% stale, at SC and i0coin i got ~10% (same mining settings).
I till now blame it on the shorter time for new blocks which causes more often a share in calculation to be dropped and restarted cause there is a new block.

But maybe thats the difference of someone having running only 1 GPU compared to others mining in the x or even xx Ghash region, i don't know.



add:  I didn't say it is not more profitable at all i just said that even with the webpages saiing its 1,5 times more profitable, it for ME isn't.

And no it's not cause i trade those coins over at fast rates so that the fees will make > 1% and wait till price further drops over time. My basis was price and difficulty NOW at start, then checking after a period of time how much BTC / i0coin been mined and compared their 'would have been value' at the starting time. Cause if you wait longer usualy it becomes even more unprofitable for the old coins, cause the price drops further.