It's planned to be a -700 as this route is operated with BFS based aircraft and crew, and BFS is solely a -700 base. Obviously unforeseen MX issues may force an alternative aircraft to be used instead, but certainly at this point it's -700 G-EZJZ.
Edit to add Reg.
[Edited 2006-02-13 13:44:21]
Trespassers will be shot; survivors will be shot again!