See here for explanation. Bold if you’ve read (all of) them, italicise if you’ve started but not finished (inc some but not all of a series) and strikethrough if you hated them.

The Culture Novels, Iain M Banks (starting 1987) – definitely.
The Hyperion Cantos, Dan Simmons (starting 1989) – read the first two, liked them but was warned off the others.
Grass, Sherri S Tepper (1989) – agreed; I love this book.
The Aleutian Trilogy, Gwyneth Jones (starting 1991)
The Mars Trilogy, Kim Stanley Robinson (starting 1992) – agreed.
Snow Crash, Neal Stephenson (1992) – agreed.
The Flower Cities sequence, Kathleen Ann Goonan (starting 1994) (read Crescent City Rhapsody, quite enjoyed it)
Fairyland, Paul McAuley (1996)
Diaspora, Greg Egan (1997)
Revelation Space, Alastair Reynolds (2000) – it didn’t do much for me, but I seem to remember reading it on a long plane flight.
The Arabesks, Jon Courtenay Grimwood (starting 2000) – agreed.
Light, M John Harrison (2002) – bounced right off it.
Stories of Your Life and Others, Ted Chiang (2002) – agreed.
Evolution, Stephen Baxter (2003) – no way!
Pattern Recognition, William Gibson (2003) – agreed.
Cloud Atlas, David Mitchell (2004) – agreed.
Air, Geoff Ryman (2004) – liked it but not totally sure.
River of Gods, Ian McDonald (2004) – agreed.
Accelerando, Charles Stross (2005) – agreed.
Spin, Robert Charles Wilson (2005) – agreed.