Exploration Ships

Alexandria, USS
Akira-class starship on a mission to explore the outermost parts of the Gamma and Delta quadrants. Set in the year 2455.
http://enchanted.iwarp.com/alexandria/

Star Trek: Dark Future
Nebula-class heavy cruiser assigned to explore the area past the Federation/Cardassian border. Set in the 26th century.
http://www.angelfire.com/scifi/darkfuture/index.html