Personally I also agree with Pudoc.
It would be a waste of money if you are doing the CPL ME/IR.
I could understand if you only wanted to stay at a PPL and wanted to add A IMC for some extra confidence.
If you are worried about the IR and think the IMC will help, Don't be, Get you head in the books, Study hard, Understand what is being taught to you (if you don't understand, ASK!) and I can assure you the IR will be no problem.
I personally found the IR (other then my type rating) the most enjoyable part of my training.
Good Luck
