haven't read the previous posts, being lazy i suppose!
A friend of mine asked me to approach the head of training for the Airline I am working for to ask the the very same question. The reply was a very definite No.
The type rating is no real use unless you have Line training hours and a line check. His advice was to save your money and go fly a twin to keep your flying skills current.
Short and sweet, but from a man who has 49 aircraft both Airbus and Boeing under his umbrella and who I'd like to think being head of training and recruitment, knows what he is talking about.