Thanks for the input guys.

I've been learning about all things home theatre for a couple of years now and this is the first time I'd come across the terms combing (aside from the similarly named "comb" filters used by composite video connections) and lobing. I'll dig through the forum for the past discussions as mentioned.

Just when you think you're getting a handle on all of this, you realize just how much more there is. It's all good fun, though.