AC/DC album releases in the 80's and 90's:
Back In Black (1980) - 3rd largest selling album in the world
For Those About To Rock (1981)
Flick Of The Switch (1983)
74' Jailbreak (1984) - Great release in the U.S. for all of who couldn't forget Bon
Fly On The Wall (1985)
Who Made Who (1986) - My favorite all time soundtrack
Blow Up Your Video (1988)
The Razors Edge (1990) - What a band to bring us into the 80's with a great album and leave us with one just as awesome.
Live & Live Collector's Edition (1992)
Bonfire Box Set (1997) - Long live Bon Scott and AC/DC
Stiff Upper Lip (2000) - Not technically in the 80's & 90's, but gotta give 'em credit for still going strong.
Guns N' Roses album releases in the 80's and 90's:
Appetite For Destruction (1987) - Well the Aussie's got 7 years on them so far.
Use Your Illusion 1 & 2 (1991)
The Spaghetti Incident (1993)
Live Era (1999)
I don't know guys. Seems to me like AC/DC's got the edge here. Don't get me wrong, I give a lot of respect to Slash but AC/DC's still holding strong together. They've had some bumps in the past, but it didn't get 'em down, they just kept on rockin'. My vote goes for: