Hi Jak
Both brands are generally OK. GSO have really improved their product in recent years with an excellent focuser and the collimation system is much better with knobs which don't need tools and I believe heavier duty springs.
From what I have seen the Skywatcher focusers can be a little confusing as they have separate adaptors for 2" and 1.25" which often causes confusion.
Most people find that the differences are minimal, either brand will serve as an excellent introduction to visual astronomy.
Cheers
Malcolm
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