Odd Stuff with Leadership:
That Drow can't have any Drow followers below Leadership Score 15 (requires an ECL 3 follower....), and regardless of how high that Drow gets, the vast majority of it's followers are non-drow (can get a 1st level Drow Cohort, however, with a leadership score of merely 4)
Without counting ECL for leadership, anything with a high LA can't make much use of leadership - an ECL 14 Vampire (6 character levels) with a Charisma score of 18 and no other net modifiers has a Leadership score of only 10, can have only 5 1st level followers, and his cohort is limited to ECL 4 (no vampire cohorts are possible); he's much better off just creating a dozen spawn, except for the minor glitch of moving his coffin around during the day - which mostly only applies to adventurers.
With counting ECL for leadership, High LA can make for some .... interesting combos.
Same Vampire Leader again - this time, his leadership score is 18, he can have a 12th level cohort, and one 4th level follower. Now, his cohort has (up to) 6 more class levels than does the vampire leader - that's twice as many. Moreover, if that cohort is a cleric, well, the vampire turns as though it has 10 hit dice - if the cleric has an effective Charisma score of at least 16, the Cohort can Rebuke the Leader, successfully, EVERY TIME (roll of 1 works). Umm.... who's in control?
Mind you, this type of thing mostly only gets rediculous with high LA templates - but it's something to keep in mind when deciding which way to go.