I have about £12K worth of Vinyl and own the following that I see as classics
Lil Loui - French Kiss
Full Intention - America (I love America)
Joe Smooth - Promised Land
Undrworld - Cowgirl -Bedrock & Future Shock remixes
Freefall Feat Jan Johnston - Skydive
Sasha - Xpander
Sasha & Emerson - Scorchio
Mory Kante - YEKE YEKE
M People - Colour My Love
Some off the wall that went down a treat as last records
Silver Bullet - 20 Seconds
Man to Man meets Man Parish - Male Stripper
The Movement - Jump
T Zant - Hot and Wet
and being a big Hooj Choon fan from what I mainly played when I was a DJ (sorry about the caps copied form my track list)
SALT TANK - DIMENSION
TILT - INVISIBLE
THREE DRIVES (ON A VINYL) - GREECE 2000
BILLY HENDRIX - BODY SHINE EP
CM - DREAM UNIVERSE
JARK PRONGO - MOVIN' THRU YOUR SYSTEM
SPACE MANOEUVRES - STAGE ONE
LOST TRIBE - GAMEMASTER
LUSTRAL - EVERYTIME
TRANCESETTERS - ROACHES
PETER LAZONBY - SACRED CYCLES
I could go on for ever...
There are so many classics but it depends on what Genre you liked as to what you see as classics