you and 2 npcs are fine to handle, you + 4 would be too many, i think you and 3 others would be about right.
The option to choose your light sabre hilt in jedi academy was i nice option, but wether or not its in kotor 2 will remain to be seen.
A palet to choose your light sabre colour would be a welcomed option as it would allow for much more customisation and it will make your light sabre seem more personnal