Well, what I want:
- Sturdy, needs to be able to take more than just a few minor knocks.
- Possibility of rear mount in the rack (as I do want to wire it with a rear facing power conditioner to save space)
- Not stupidly heavy, ie, no shockmount as they just weigh a ton and I need to be able to carry this.
Also I want to be able to tidy up cables internally, be able to mount power (for wall warts etc) so that they don't bounce around.
Find a used Mesa SUS rack. They have the benefits of shock mount, but aren't nearly as heavy. They usually have front and rear rails too.