Critical Mass Games will be releasing their 15mm sci-fi rules at Salute 2011.
From their announcement:
Salute is just a couple of days away and we have been busier than ever in preparation for the show. Stock levels are at the highest we have ever seen, the new Tokann board is finished and the miniatures are packed ready to game. We will have a lot of new releases for you all to see at Salute, including a spiral bound 1st Edition of the Critical Mass Rules system which will be for sale priced £8.50. Stocks of the rules will be limited so swing by early and see us at stand TA26.