It's actually tough for me to limit it to 5. I'm going to divide it by 2 halves.

2000-2004:

-GRODT
-Blueprint
-Supreme CIientele
-Lost Tapes
-MMLP

2005-2009:

-Late Registration
-Carter 2
-Be
-The Cool
-Hell Hath No Fury

Maybe 1 per artist

Late Registration
Donuts
The Eminem Show
Boy in Da Corner (don't care if it's grime, sue me)
Game Theory

1. beastie boys - to the 5 boroughs
2. outkast - stankonia
3. jay-z - the blueprint
4. missy elliott - miss e... so addictive
5. clipse - hell hath no fury

Dr. Dre - 2001
T.I. - Trap Muzik
T.I. - King
Snoop Dogg - Tha Last Meal
Xzibit - Restless
Common - Be
JAY Z - Black Album
Nas - Stillmatic
Game - Documentary
JAY Z - Blueprint
Clipse - Lord Willin'
Clipse - Hell Hath No Fury
50 Cent - Get Rich or Die Tryin'
Lil Wayne - Tha Carter II
Ghostface Killah - Supreme Clientele
T.I. - Urban Legend
Jeezy - TM 101
Kanye West - College Dropout
Kanye West - Late Registration
Outkast - Stankonia
Outkast - Speakerboxxx/Tha Love Below

1. Cannibal Ox - The Cold Vein
2. Kanye West - The College Dropout
3. Quasimoto - The Unseen
4. Clipse - Hell Hath No Fury
5. Madvillain - Madvillainy

6. Kanye West - Late Registration
7. Ghostface Killah - Supreme Clientele
8. El-P - Fantastic Damage
9. OutKast - Stankonia
10. Aesop Rock - Float

HMs: Lil Wayne - Tha Carter II; Common - Be; Viktor Vaughn - Vaudeville Villain; Edan - Beauty and the Beat; Brother Ali - Shadows on the Sun; Jay Z - The Blueprint; J Dilla - Donuts