I'm not sure if they're around to edit this anymore, but a few pieces to add to the list:
Lv30 Magician's Earring (smn sub only)
Lv45 Astral Earring
Lv50 Antivenom Earring
Lv50 Insomnia Earring
Lv60 Chivalrous Chain
Lv60 Grandiose Chain
Lv60 Potent Belt
Lv64 Spider Torque
Lv65 Enfeebling Torque
Lv70 Cleric's Belt
Lv71 Brass Jadagna
Lv72 Suppanomimi
Lv72 Magnetic Earring
Lv73 Perdu Wand
Lv73 Prudence Rod
Lv73 Prudence Torque
Lv74 Elemental Rings (Flame, Aqua, etc)
Lv75 Cleric's Attire +1 Set (AFv2+1)
Lv75 Goliard Saio Set (Nyzul Isle Assault gear)
Lv75 Brutal Earring
In the merits section, here's some clarifications. (Numbers in parentheses indicate Merit points needed per level to upgrade)
HP/MP caps at 8 mods per stat, 8 mods total for the group. (1 2 3 4 5 5 5 5)
Stats (MND, STR, etc) caps out at 5 modifications total. (3 6 9 9 9)
Combat Skills caps at 8 mods per stat for weapon skills, 4 mods per stat for defensive skills (evasion, shield, guard, parry). Combat Skills group allows 12 mods total for the group. (1 2 3 3 3 3 3 3 for weapons, 1 2 3 4 for defensive skill)
Magic Skills caps at 8 mods per stat, 8 mods total for the group. (1 2 3 3 3 3 3 3)
Others category caps at 4 modifications per stat, 8 total for the group. (1 2 3 4)
Job Specific merits in Group 1 allow 5 mods per stat, 10 total for the group. (1 2 3 4 5)
Job Specific merits in Group 2 allow 3 mods per stat, 6 total for the group. (3 4 5)
Theres more stuff that can be added, I'm considering making a fresh thread for this, since the original hasn't been updated in almost a year.