Now many players play as melee/unarmed characters but they cant craft stuff they need themselves (because of requirements for professions that has craftable HTH items). Please read whole topic to get exact idea of what i about.
No further intros, so i begin:
Martial arts master profession level 1. (cost 1500 caps to learn). Requires 80% unarmed 80% melee weapons 7 strenght to learn the profession.
Teachers:
Thomas in Lost hills bunker.
John Sullivan in Klamaths "Golden Gecko"
Boxing coach in New reno. (he is removed currently so he would need to be added)
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Craftable items           Materials needed to craft                                  Also Need     Details
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Wakizashi Blade     1xCombat knife 1x alloy                                       Workbench     
http://fallout.wikia.com/wiki/Wakizashi_Blade    "Little Jesus"         1x Combat knife 1x alloy 1x Metal parts                Workbench     
http://fallout.gamepedia.com/%22Little_Jesus%22     ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Martial arts master profession profession level 2. (cost 3000 caps to learn). Requires 110% unarmed 110% melee weapons 8 strenght to learn the profession.
Teachers:
Thomas in Lost hills bunker.
John Sullivan in Klamaths "Golden Gecko"
Boxing coach in New reno. (he is removed currently so he would need to be added)
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Craftable items                                           Materials needed to craft                                          Also need                                     Details
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Cattle Prod                                   Same as now so i wont mention them                      Workbench &Dens Electronics                                  ---
Power Fist                                    Same as now so i wont mention them                      Workbench &Dens Electronics                                  ---        
Improved Capacitor Battery          Same as now so i wont mention them                      Workbench &Dens Electronics                                  ---            -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------                                                                                                                                       
Martial arts master level 3. (cost 4500 caps to learn). Requires 140% unarmed 140% melee weapons  9 strength to learn the profession.
Teachers:
Thomas in Lost hills bunker.
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Craftable items                          Materials needed to craft                                                Also Need                                     Details
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Louisville Slugger                 4x alloys 8x metal parts 2x flint                                         Workbench                        http://fallout.wikia.com/wiki/Louisville_Slugger 
Super Sledgehammer           Same as now so i wont mention them                               Workbench       (Yes it'll be available to craft only for martial arts masters)
Ripper                                  Same as now so i wont mention them                               Workbench &Dens Electronics                                           ---   
Super Cattle Prod                 Same as now so i wont mention them                               Workbench &Dens Electronics                                           ---
Mega Power Fist                Same as now so i wont mention them                               Workbench &Dens Electronics                                           ---
Upgraded power servos        Same as now so i wont mention them                               Workbench &Dens Electronics                                           ---
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So i think thats all i can think off as my suggestion, and as i say its just a suggestion so things can be improved, changed and etc. But i think you get the picture :>
Now: Energy crafter lost 5 items for crafting (well i dont think energy crafters make those anyway), so in exchange energy weapon should get new weapons for crafting too and my suggestion would be: Turbo Plasma Rifle, Gatling Laser and maybe even Allien blaster.