yeah, at that price--i'd score it asap. if you don't like it you can flip it at a profit.
i had one and sold it. i prefer simpler 4 stage phasers. the moog is cool and capable of sounds that are just not possible with other phasers, just sounds that i couldn't find a practical use for.
it is an extremely clean phaser--so that's a big plus. but it also kind of lacks the imperfections that make it sound 'natural' or organic. it also has some CV options that can be interesting with an expression pedal, or cp251.
The absolute best sounding phaser I have heard. It kind of goes beyond normal 'guitar effects pedal' phaser sounds into some synthy/keyboard type phase sounds...not exactly, but close. It's very, very lush and watery. That being said though, since I don't use phase effects very often, it ended up being the pedal that took up the most space on my board but that I only turned on for a couple passages in a couple songs like, every other week.
So, it sounds fantastic, but the size is a big drawback. Also, I thought it's buffer was a little thin...at least how it reacted in my rig, it needed to be in a bypass loop.
But all that to say that for $150, it's totally worth it if you have the board space. And if you don't want it, I'll send you $150 plus shipping to ship it to me right now!