the MCC is another tick in the box essentially but its a great time to get sim experience and learn how you will operate in a multi crew enviroment.
When you do sim rides for potential employment then ideally the time during your MCC will help you dearly - so maybe spending that little bit extra on a full motion sim is worth it? just my opinon...I've read some very good reviews on Parc MCC course and don't think you can go much wrong with them.