Gonna just mix some prog rock in here too but as far as my favourite prog albums go, some are multiple from same band.
1. Still Life from Opeth
2. Wish You Were Here from Pink Floyd
3. Rush self titled debut.
4. Images and Words by Dream Theater
5. Orchid from Opeth
6. In Absentia by Porcupine Tree
7. Iconoclast by Symphony X
8. Animals by Pink Floyd
9. Operation Mindcrime by Queensryche
10. Empire by Queensryche