Hi Will,
Oue school has just bought a 12 " DOB and the views are nothing short of outstanding even with the eyepieces tthat come with it. You will need to learn to collimate as said previously and the scope only cost $1000. However it is a big sucker and to transport it I have to lay the back seats of our forrester down. But for views its outstanding. I have also heard that the 10" DOB gives great views and is much more manageable. I think I have read they can fit across the back seat of cars. I also have an ED 80 and it is crisp and views are great but definately larger app for DSO. My mate and I found about 15 galaxies in 1 hour with the 12" so I assume the 10would be almost as good.
Enjoy your purchase when it comes. You'll love it.
Mark
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