Hi Dez, don't know much but I know I like my 12" GSO. But I don't transport it except on a trolley out of my shed, I'd hate to lift it and it only just fits in the back of my camry wagon. I can't imagine putting it on a tripod and would get a second scope for astrophotography if I ever get into that. I don't know a lot about optics, but calculate that if light collected is proportional to mirror surface area then a 12" collects 44% more light than a 10". Someone who knows about these things may want to correct me on that. Lightbridge sounds a good way to go to me, but again you'd need a second scope for photography.
One thing I'm sure of, whatever you get you'll have a lot of fun!
Patrick
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