The superkamehameha is the attack used whenever the charge time exceeds like, 6 seconds. LIke when he is preparing to PS the gallit gun, or when cell aims a kamehameha over earth, or the infamous cell gohan ps. The regular kamehameha is just a quick beam.
This also brings up beam imbalances, because the gallit gun is suppossed to compare the the CHOU-KAMEHAMEHA, not the regular kamehameha. I know this is kind of confusing, im not even completely sure what im talking about. So basically your saying make the kamehameha as stong as the gallit gun, boost gallit gun power, and make a chou-kamehameha (similar to FF in power, but not QUITE as strong)
Most mods dont even argue over gg vs kame.. strength, because goku is stronger, but vegeta had more charge time, blah blah. IF you look at it for long enough (since i have no hobby i did), they are beams basically the same strength.
I just realized how confusing this is
Basically make the kamehameha quick like the gallit gun is now, and make the gg about the same strength as the C-KAME...
Vegeta's gallit gun is basically a version of the kamehameha, a medium power beam. It seems right now you can beat it with a finishing buster.