The admin console should support HTTP gzip encoding. Probalby using a filter servlet so all plugins etc. can benfit of it.
I did add a filter servlet to the vcard plugin, one may want to move it into the core and modify web.xml.
LG, is this issue still valid?
Guus, you did this already with 3.10, right?
I am fairly certain this was implemented with 3.10.0 release