From Gamesmania, comes this preview of a nanotech-themed game from Codemasters, scheduled for release in May:
Perimeter is a ground breaking real-time
strategy game which brings, a range of fresh ideas to the RTS genre.
Use strategic Terraforming to acquire resources, project a impenetrable
perimeter force shield to protect from attack and marshal your forces
though manipulation of nano-technology.
Units can be transformed into different units on the battlefield, giving the player powerful tactical opportunities to adapt combat units to a particular situation. Not all units will be effective in all situations and base units must be built tactically, either to focus on a sole function or to be adaptable.
Here's the official Web site.