I just had an interesting conversation with a friend about social signaling in the context of dating. A common friend of ours just bought a McLaren. I recon that car is not cheap (Google did not seem to help - 100k? more?). Not that he can't afford it (he's a quant trader at a well-to-do PM group), it's that he bought it to attract women. So it's a signal of his net worth (or over-signal, IMHO). I quote "in todays dating scene you have to distinguish yourself from the competition".
Lot's of questions, of course. Is that really so these days, that women are driven by the net worth more than the personality? More importantly, does one actually want the fish that's attracted by this particular bait? If social signaling is that important (cars, watches, clothing), would you think that someone who does not engage in it is doing himself a disservice?