I'm at the opposite end. Max level for the first time in 14 years, I can now do whatever I want and don't have to worry about XP (AAs are ~13K, so no urgent needs there).
My list right now includes TS quests (shawl, Artisan's, etc), epics, progressions, collections, hunter achievements, BiC, basically all the cool sounding stuff from the last decade+ that I've missed, either because I was on a break from EQ, or grinding away, trying to catch up.
Perhaps take a look at achievements, and see if any of those strike your fancy.
Tat
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Tatanka Wolfdancer, 115 Wood Elf Druid, 9 x 300+ Master Artisan, 7 maxed trophies (dang research! :)
Michone, 115 Troll Shadowknight
Anaceup Mysleeves, 115 Erudite Mage, 2 x 300 Master Artisan
Snookims Whinslow, 112 Erudite Enchanter, 2 x 300 Master Artisan
<Inisfree>, Tunare (Seventh Hammer!)