Indeed this is also a hard choice. But here goes.
I would have to choose:

Master of puppets
For whom the bell tolls
Nothing else matters
One
Of Wolf and Man

Whiplash
Escape
Leper Messiah
Blackened
Fight Fire With Fire

Motorbreath
Fight Fire With Fire
Damage inc.
Master Of Puppets
Fade To Black

one
enter sandman
whiskey in the jar
St. Anger
until it sleeps


theres tons more good songs.....

Whiplash
Fade to Black
Creeping Death
Dyer's Eve
Blackened

devils dance
one
fuel
whiskey in the jar
the unforgiven

Blackened
Escape
Battery
Sad But True
One

One
The Unforgiven
For Whom The Bell Tolls
The Thing That Should Not To Be
Nothing Else Matters

recently been listening to Unforgiven II, and i have to say that it has grown on me. OK, ReLOAD may not be a great album, but it ain't as bad as i first thought along time ago. infact it has a few good songs on. Prince Charming has a catchy intro riff n chorus.

this is a very very hard decision as there are so many excellent songs but heres my top 5

5. Seek and Destroy
4. Sanatarium
3. Orion
2. One
1. Damage Inc.

These are my particular top 5 at this moment in time. but there were several others that were very close.

For Whom The Bells Toll
Call of Kthulu
Battery
Dyers Eve
Unforgiven
Sad But True
Nothing Elses Matters

These all nearly made it into the top 5, on a nother day they probably would