So I ended up getting the FiiO F9 Pro from a local store who let me try them first, so I could directly compare them to my momentums. I really enjoyed the FiiO's so I returned the Sennheisers and got the FiiO's, thanks everyone for all your help and input.

Thanks for the reply, I checked them out but I cant seem to find anywhere in Australia that sells them (other than ebay of course) im just worried about buying something from somewhere that isn't a retailer. Thanks again for replying, any other suggestions?

Hey im new to the forums, so sorry if this is in the wrong category. I'm going to be returning my Sennheiser momentum in ears within the next week since the cable at the 3.5mm jack end has ripped (I think this is a common issue). I really enjoy these iems, but I dont want to keep going back for...