RMC
All comments made so far are valid. Monarch is a very good company to work for and the people are fantastic. That being said things have changed. The company is cutting costs and it has hit the pilots square in the can. The MAN 320 pilots are working their butts off with no sector pay to reward them. The pension is crap to say the least and roster instablity can do your head in. The new pay scale has capped all new joiners.
I chose to leave them looking 30 years down the road. If you want 1000 hours of 320 time and then want to bolt to VS/BA a good move. Leaving the job that you have now for Monarch as a career would be a close call.
Good luck.