There are some cracking deals about at the moment, here are a few of the latest.
Cristal@costamar 3 courses incl wine 13.95e
Bunnys Restaurant 2 courses 9.95e
Browns 3 courses 10e
Port o Call Carvery (as much as you like) 9.95e
Millys 2 courses 12.95e
Have not tried all of these, just giving the info. Will update as new offers start. Have fun.