Brent,
I'm a bit biased in this subject but would advise saving a bit more till you can afford an 8" dob and either a laser collimator or a cheshire eyepiece for collimating. I still use my 8" scope far more than the 13", its easier to cart around and set up and I'm lazy. It cools quickly, gives great views of the moon and planets and can handle DSOs as well (much better than the 6" on the DSOs).
Great all rounder and many people spend their entire astronomical life on one of these.
Cheers
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