Don't be bashful, tell us how you really feel. LOL...
A connector and couple springs will cost relatively little. I agree on everything else- cosmetic wallet burners.
To the OP- If you change any internals, keep the gun as a range toy only. Also be extra cautious to always point in a safe direction and be extra cautious shooting the first time in case of doubles, etc. With a little work, Glock triggers can be made almost tolerable.
With a little more work on the backplate they can be full auto...