1. Mencar and his party
2. Circus Tent
3. Both Slaver quests
4. Secret party #1 in Bridge District
5. Tannen quest
6. Mercenary party in Bridge District
7. Rescue Haer'Dalis from Merkrath
8. Planar Prison quest
9. Trademeet & Druidgrove quests
10. Unseeing Eye
11. Guarded Compound
12. Umar Hills
13. Windspear Hills
14. D'Arnais Keep
I follow this sequence for just about any soloist or party I play, though in my recent game I aimed to retrieve Imoen as soon as possible. Which means that I only did 1, 2 and 3 on that list and then went for Brynnlaw. I'm struggling pretty badly with a lvl 9-10 party in Spellhold