Don't be too put off by the amount of gear that's available, astrophotography can be deceptively cheap. The only gear I regularly use is an 8" Newtonian on an old EQ6 (<$1000 all up) with my DSLR in prime focus.
With good polar alignment I've had round stars in 2 minute exposures without a guider. and although a CCD chip would be better my 550D isn't bad for noice, you will need to take some "Dark" exposures for DeepSkyStacker but there's nothing wrong with 2 minute exposures at ISO 6400.
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