These are not my favourites, but the most played on my iTunes.
(bear in mind I share it with my daughters, also Maiden fans):
1) The Alchemist
2) Starblind
3) The Final Frontier
4) Coming Home
5) When The Wild Wind Blows
Remove the bias of a new album being in heavy rotation and you get this:
1) Fear of the Dark
2) These Colours Don't Run
3) Women in Uniform (WTF?)
4) Brave New World
5) Different World
6) The Longest Day
7) Rainmaker
8) Sea of Madness
9) Sign of the Cross
10) The Clansman
Just two of those ranked in my top 10, but they're all in my top 40.
Except Women in Uniform. I knew the kids like it, but
.
And for the record, the least-played tracks (not counting B sides)
1) Fear is the Key
2) When Two Worlds Collide
3) Gangland
4) Out of the Shadows
5) The Apparition