Hmm, it sounds sort of promising, I wonder what kind of wattage laser it will ship with? I see you can now get dodgy-looking tiny usb-equipped laser engravers straight outta Shenzhen for about $100... but they are underpowered (~300mW), and apparently ship with buggy Windows-only software. Still, diminishing returns would make a $2,500 machine a hard sell for me, as much fun as it looks like.
Glowforge founder here - we haven't announced specs as we're still fine tuning and they might change a bit, but this will be capable of cutting material 1/4" thick.