Help a beginner: Event vs Character based Omnibus

Hello all. A few days ago I bought my first Omnibus (Daredevil by Frank Miller) and know I want to keep going. At first I was thinking to buy Character based Omnibus like Captain America by Ed Brubaker or Spider-Man ( various editions) but then I was thinking to go to event based like Michael Bendis era and start with Avengers Disassembled event and New Avengers Omnibus but it doesn't seem full ( for example new Avengers doesn't cover all Disassembled event and there is not an new Avengers vol 2 Omni but secret invasion which is currently OOP ) and it seems more confusing to me.

Any opinions and tips appreciated