A lot of boutique gear can be found cheaper than the main brand equivalent. My Cornford Hurricane amp (£1500 new, I got it for £800 on eBay) is a seriously high-end piece of gear and sounds amazing. It was much cheaper than any of the hand-wired Fender and Marshall equivalents - the hand-wired 1974 re-issue Marshall comes in at about £1800 new.
In addition to the great tone, it offers very little hum or hiss, even with single-coils at high volume. I'm fine gigging with a Blues Junior or similar, but the Cornford's silence is such a blessing in the recording studio.
...and when the mains transformer blew up (flames and smoke!) it was very easy and fairly cheap to get it repaired - all techs prefer mending hand-wired amps! A PCB amp like a Blues Junior or Deluxe probably would have been a write-off.
Basically, I'm convinced it is worth the extra money sometimes. Not sure if I'd spend $50k on a Dumble though!