Don't think so. Not anyone I'm aware of. Are you volunteering to be the first?
Yep, we all know the feeling. I went with book shelf speakers since I have a decent sub. I don't feel I'm missing anything at all. I kinda doubt the 12's would be a jump up with that XV15. Nice choice.
Hold on now. I didn't suggest he go out and buy a pair of M40's. I would suggest he stick with the 8's till after he gets his sub and then try the 12's. He can take them back if he doesn't hear enough of an improvement. His ears can then be the judge. Or save up the coin and get some book shelves like mine. It's all about the Benjamins and how far you want to go.
That's a heck of a buy. There's a guy who wants $400 on the Seattle craigslist. Those won't last long at $140 if they are in decent condition.