Hi David and
I'll leave the details to those more experienced than I but it's not as simple as that. Scopes of all types can vary greatly in quality and the quality of the views they produce. Your choice of scope depends heavily on the type of observing or imaging you want to do.
It might be worth having a read through some of the past threads on here regarding glass vs mirrors:
http://www.iceinspace.com.au/index.p...C0%2C1%2C0%2C0