I also would recommend a dob. Having had scopes similar to the ones you are looking at as well as 8", 12" and 20" dobs, I know that there is not much difference between an 8" dob and a small EQ mounted scope. And the dob doesn't have to be polar aligned.
An 8" is also easily transported in a small car.
You mentioned imaging. The 909EQ2 will not be much use for that unfortunately. If you go that way, best imaging is mounting a piggy back camera with a wide lense and go for some wide fields, as long as you are careful about alignment.
Malcolm
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