I'm doing a major overhaul of the Dark Heresy rules, and along with eliminating Careers, I'm looking at reassigning the various 'weapon training' Talents (Basic Weapon Training, Exotic Weapon Training, Heavy Weapon Training, Melee Weapon Training, and Pistol Training) as Skills. This will mean that it's possible to take skill mastery (and even Talented) with various types of weapons.
This would allow someone to have Basic Weapon Training (Las) +10, Basic Weapon Training (SP), Pistol Training (Las) +20, etc. showing increased proficiency in dedicated weapon groups. I realize that this will make for greater accuracy in combat-dedicated characters, but this is intentional and it fits with my desire to ramp-up the 'epic' factor and allow for higher profile games.
Incidentally, I've decided to add Unarmed as a part of the Melee Weapon Training groups. Advanced martial artists may have Melee Weapon Training (Unarmed) +10 or +20 and may even have Talented added in for good measure.
Lastly, the untrained penalty for all basic skill use is going to be -20 rather than the -1/2 as it currently is written. This is actually just the carryover of the untrained weapon use modifier, and I feel it fits better than halving the characteristic.
Any input?