I myself am making some slight adjustments to the starting gear, namely setting out the actual ammo count.
All Specialties: Power Armor, Bolt pistol with 3 mags, 3 frag and krak grenades, repair cement, Chapter Trapping
Apothecary: Bolter with fire selector and 10 mags OR chainsword with 7 additional mags for the bolt pistol, reductor and narthecium, diagnostor helmet.
Assault Marine: Chainsword, jump pack, 7 additional mags for bolt pistol, 3 melta bombs
Devastator: Heavy Bolter with backpack ammo supply, 7 additional mags for bolt pistol
Librarian: Bolter with fire selector and 10 mags, force sword or force staff, psychic hood
Tactical Marine: Bolter with fire selector and 10 mags, 1 mag of Special Issue ammo (not exceeding 25 Requision per mag) per mission.
Techmarine: Bolter with fire selector and 10 mags, servo arm, one other common cybernetic, 3 melta bombs