Well that's silly, Chelboed. The point is about being in public and not wanting to draw unnecessary attention to myself by wearing giant cans. There's also an element of being single and not wanting to look like a hammerhead shark in a social setting ;)
I think I'll try a pair of IEMs for convenience and cost. I'm overwhelmed by that thread though - wowza. Is there any short list of IEMs with descriptions/price/recommended pairs, etc?