They're all great but I'll go with Hunky Dory..I think Pin Ups was always a very underrated album....
..Ideally I would have my own 'dream' Bowie Album and I have had to be ruthless and leave some great tracks out but I've narrowed it down to make my ideal album......in no particular order:
Ashes to Ashes
Queen Bitch
Life on Mars
Kooks
Song for Bob Dylan
Young Americans
John I’m only Dancing
The Man Who Sold The World
Heroes
Golden Years
Rebel Rebel
Diamond Dogs
Sweet Thing
Rock and Roll With Me
Here Comes The Night
See Emily Play
Friday On My Mind
Unwashed and Somewhat Slightly Dazed
Space Oddity
Sound and Vision
Absolute Beginners
Under Pressure
China Girl
Tonight
Soul Love
Rock and Roll Suicide
Suffragette City
Hang on to Yourself
Ziggy Stardust
Drive in Staurday
The Jean Genie
Panic in Detroit
Oh You Pretty Things