I would like to see some new echo flags:
one to echo to all windows in all $cid's
one to echo to all windows in all $cid's
one to echo to all $comchan's

So you want a switch to echo to all windows in all $cid's twice?

I'm going to avoid saying that this could easily be scripted, and instead say that I might find it to be useful as well I'm assuming that one of those should have been all windows in $activecid. One issue that needs to be considered, though, is whether or not the status window, and custom @windows should be included in the "all windows" requests. I can think of many reasons why I wouldn't want other scripts sticking stuff in my @windows, and I tend to do everything I can to avoid text going to the status.

Well perhaps a switch to echo to all windows (taking into account what Hrung has said), however it doesn't need a switch or option to echo to all connections since that can and should be done via /scon and /scid.