I use the same mount, guided using EQMOD, PHD2 and an ASI120MM. I typically use an OAG for longer FL imaging, but when recently doing some wide-angle shots with a Lens mounted on a guidescope (guiding at 1.61"/px), I was getting RMS of around 0.25-0.4" consistently. Side Note: It was complete overkill for my imaging scale, heh (11"/px)!
I think it's overall an excellent mount for its price - a sweet spot. (I have excellent PA [permanent setup] and an anchored tripod).
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