The problem is that you can only reach ROI if LTC/$ rate goes up. The Litecoin difficulty will rise fast because of the many Asic miners which are coming on the market this year. The KNC Litecoin miner seems to be the best offer at moment, but I'm not sure if it worth the investment.
Thanks for your input, the group buy members shall receive payments in BTC as stated unless otherwise arranged with myself.
The Titan Scrypt miner shall be mining the most profitable coin and said coins will be sold and converted to BTC for weekly payments.
"1/10th of the BTC proceeds from a KNC Titan Miner mining 24/7 for 24 months "