'So this Typhoon deployment... has this brought forward a date for any possible deployment?'
Yes, it bought forward the deployment date for the deployment if it were to deploy.Possibly.
Lets let the 'system' have a chance to mature and work out any bugs before it gets a baptism of fire. GR.4 is a mature 'platform' and able to do the close air support bit. I'm sure the lads on the ground would appreciate the help and would feel comfortable with Tornado. Would you feel comfortable with an untested newly qualified CAS jet just yet or would you rather people put it through it's paces first to ensure it's completely up to the task in hand?