I have a CPC925 and really enjoy it, one of them secondhand would probably fall within your budget (At the top end of it though)
The CPC mount, particularly in the later GPS form like mine is very easy to use and quite steady, you don't need to worry much about bumping the scope while you try to look through the EP.
There are plusses and minuses to the CPC mount of course, the plus is ease of use but the minus is that it makes you lazy. You tend to just look up a catalog number for whatever you want to see at and plug it in where I have a number of favourites that I tend to search out manually. That is the biggest minus for me (Astrophotography is not on my agenda, at least for now) manually slewing to a new target is a lot slower and more laborious than I am liking now.
What I am finding is that the mount makes spontaneous viewing more difficult as you need to plan out your night to keep successive targets near each other or you spend ages waiting for it to slew to the new target again and again.
I have seriously considered remounting mine on an AZEQ6 due to the ability of that mount, once aligned, to be manually slewed by releasing the clutches and moving it by hand much more quickly than motor driving it would. Plus it allows for both EQ mounting if I ever want to go that way while still allowing for ALT-AZ use visually to keep the EP in sensible places.
Aside from that, per the post above, currently a decent sized dob on a tracking mount is probably the best value for visual use, particularly if the mount can be manually pointed without doing it's alignment in.
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