Brass Ensemble Sheet Music at 8notes.com
This website has various brass ensemble sheet music. It has multiple sheet music for solo wind instruments as well.
Brass Sound Combinations
Brief description on various brass combinations. The source of this document is the Vienna Symphonic Library webiste.
Techni-Serve Industries - where EWI can be repaired
When your EWI needs repair, you can send it to this company

Resources
Here are some useful information on EWI, instruments, software, hardware setup, playing tips, EWI related news, web sites, etc. I added my experience and personal opinion on some of them.
Some manuals are uploaded into "File Download" page.
This page will be updated continuously.