I think on TS, and I have some Ideas, that are maybe useful
Adventure,NPC-s
The NPC quests startings (Jaheira,Cernd,Mazzy,Jan, etc...) could be NOT starting at the main quest
Some Tougher Guardian for Blade of Night (could be at by Masaki's Personal Guard (very! High level Assassin))
Some Tougher Guardian for Edion's Ring of Wizardry (could beat by Masaki's personal Mage (High level Mage)
Sime romance: the female path could be the same as the male, and the shorter could be for Halflings, and Gnomes
for Dyna some banters, because while I played with her 4 times, there wasn't any, except the starting
Coran accesable before Brynnlaw
Items
from Comp bow of Defender +4 take out the 4 attack/round. The +2 AC is well enough for the bow.
from Blade of Night can be taked out the saving throw against additional elemental damage
Wu Haltai and Wu-jen baldes perhaps could be upgraded with +1-+1 enchantment to +4 Wu-Haltai and +3 Wu-jen
The older items (Mithran Cloak, boots of the Fox etc.) can be taked in the mod
There could be a possibility to upgrade TS items
Maybe a Kara-Turian weaponsmith in Brynnlaw, or in Trademeet. (In that possibility. Aino can give Yoshi a token, or some signet ring etc, to "activate" the Trademeet smith)
The Union of Hashimoto, and Nakanishi
Hojo War Ring of Nakanishi
Hashimoto Signet Ring (or the token, what Aino gives)
Scroll of Fire Resistance (Blue)
Scroll of Fire Resistance (Green)
Yoshimo's Katana, or Kachiko's Wakizashi (If the item a weapon), or Laeral Tear Necklace (If the item is an amulet), or Fire Opal Ring (If the item is a Ring)
20000 GP
The Union of Hashimoto, and Nakanishi
+2 Katana, or +3 Wakizashi, or Ring, or Necklace
75% Fire Resistance, +2 AC,+2 CON
Usable by Kachiko or Yoshimo
God's Legacy
Ring of Holiness I
Ring of Holiness II
Boots of Forgotten ones
30000GP
God's Legacy
+2 Spell lvl 1-4
+1 Spell lvl 5-7
faster movement like Boots of Speed
Usable by Clerics and Druids
Some Crossmodic content with IA (If you and Sikret both agreed. Thet will be very-very good, and not only for me, for many.)
True Daikatana
Katana +3 Wu Haltai
Katana +2 Wu Jen
Celestial Fury
Malakar
Hindo's Doom +3
Blade of Night
Permanency Scroll
Manual of Elaboration
4 Scroll of Greater Malision
2 Scroll of Globe of invulnerability
2 Green Scroll of Prot. from Magic
2 Scroll of prot from mag. Energy
200000-250000 GP
True Daikatana +6
+1 AC / +3 vs. Slashing
+1 STR,DEX,CON
2 HP regeneration/Round
Additional +2 Fire/Cold/Acid/Electricial damage
20 % Stun (save vs spell for none)
5% additional +20 electricial damage
Negative Plain protection
Immunity to harmful Spells lvl. 1-5
With every succesful Hit, lowers the opponent's every resistances by 10%
2 Lesser, or 1 Greater Restoration / day
1 Blind / day
1 Lightning Strike / day
Usable by Kensai (SINGLE CLASS!!!!), Monk, and Samurai (SINGLE CLASS) With Lawful non-Evil Allignment, and ONLY WITH Single Weapon Style
God's Legacy
Ring of Holiness I
Ring of Holiness II
Boots of Forgotten ones
Scroll of Memory Boosting
60000GP
God's Legacy
+3 Spell lvl 1-4
+2 Spell lvl 5-7
faster movement like Boots of Speed
Usable by Clerics and Druids
The Archmage Ring
Ring of Wizardry I
Ring of Wizardry II
Ring of Acuity
Edion's Ring of Wizardry
Ulcaster Academy Ring
2 Scroll of Memory Boosting
Limak's Brain
100-150 k Gold
The Archmage Ring
+4 Spell/ lvl
Usable by Single class Mages, Specialized Mages, and Sorcerers