Hi John,
Welcome to IceInSpace
For viewing the Dob is king (IMHO)
Size, big is best up to ...
a)what you can reasonably afford (allowing some for other accessories)
b) what you can easily carry to you observing site.
For most an 8"DOB is a good starting point.
Best advice is to get along to an observing session to see the various scopes and talk to their owners
OR
take the 30 minute drive to Camberwell to Bintel showroom to see scopes and get good advice and help.
Good luck with your purchasing
