Once again thank you all... I've finally been pointed in the right drection for the new sea and sea housing and see that it does do TTL which is a bit of a result (given that I've spent all day learning about TTL!) with my sea and sea strobes!!
All that's left to do is see if it fits my hands!!
Really useful info including loads more than I originally asked for - thank you
(Sorry I can't green you guys again!
)