The original table supports and braces were junk. The ones on Catalina
direct are a marginal improvement, but not much better. You can make stuff from just standard marine parts
that will be miles ahead. How is your standing rigging
bonded to your hull- the original was crap, so if it hasn't been changed that is the most important thing to do first.
BTW- making a new table for the dinette is not that hard, and the cushions
I would make out of memory foam- when the dinette is lowered into a bed
it is the best bed
in the boat by far. Slept many a night on my 27 on that bed.
Don't get discouraged- you will learn so much on this boat! And it is a good design.