When building a collection of guitars, being a player (not just a collector) means you inevitably buy the odd bit of other gear to make the playing experience more enjoyable.
All right, I buy lot of amps and pedals, too.
These are a selection of the amps, pedals and other paraphernalia I have owned over the years.
Atomic and Line 6 Pod 
Fender Hot Rod 
1964 Vox AC30 
AER Basscube 
Crate Compact 
Mesa Boogie Blue Angel 
Fender Bassman 
Fender Blues Junior 
Fender Hot Rod, Bassman, Blues Junior, Line 6 Vetta II, Vox AC30, Thinamp, Crate Compact 
Marshall AS50R Acoustic 
Lots of effects pedals… 
Thinamp and Crate Compact 
1964 Vox AC30 
Mesa, Vox Valvetronics, Marshall Acoustic, AER Bass Cube and Atomic with Pod