Besides Arena, I like a lot of prog...
the BIG ones (also known as prog'osaurs):
- Yes
- Genesis (+solo)
- Pink Floyd
More '70-s stuff:
- King Crimson (+ UK, Wetton, etc.)
- Camel
- Kayak (the Dutch Proggers!)
2nd wave of prog ('80-s):
- Marillion (+Fish solo)
- IQ
- Pendragon
And a lot of 90's stuff (3rd wave):
- Spock's Beard
- Ayreon
- Jadis
BUT!
I also ike a lot of other good rock music, such as:
- The Beatles (+ Macca's solo stuff)
- Queen
- U2
Recently I discovered things like:
- Muse
- Keane
- Jamie Cullum
Shame on me: I forgot Rush!