The Star Trek Online website has been updated with details of a new starship to be featured in the game. The NX-91001is described as follows: "A starship designed to carry Federation influence throughout the Alpha Quadrant and beyond, the NX-91001 is one of the first multi-role starship designs since the Sovereign class was commissioned in the early 2370s. Able to function as a deep-space explorer with extensive sensors and laboratory facilities for scientific research, the NX-91001 also is outfitted as a heavy cruiser armed with some of the latest in Starfleet weapons technology for deployment in hostile areas."
The article goes on to describe the various technologies employed by the vessel, and also gives specifications for dimensions and systems. Read it, here.