combat leather jacket and combat leather coat have bonus rate of fire perk. so fast shot will be even better for sneakers.
lets speak about something else: since stealth melee weps need only sneak skill for perks, what about gifted trait? one can't get max weapon skill with gifted, but max sneak will be enough imo.
lets have a look at this:
Small Frame - Gifted
5-8-7-2-10-6-10
or 8-9-7-2-10-2-10
sneak max, HtH rest.