I love my little C8! It has shown me plenty - and wish it continues to do so
Are SCTs for everyone? No. Is a big Dob for everyone? No also.
For visual, a 4 or 5" apo isn't going to show much/any more than the 130 already is.
A couple of things I'd suggest... watch out for nights of good seeing and transparency, and also get out to a dark site sometime
