Seconded.
I've always thought it would be handy if mIRC had a "minimize to nothing" option that would prevent it from appearing in ALT-TAB, on the task bar, or in the tray. Totally invisible (except perhaps for the task list).
This would be quite useful to those who run mIRC-based bots on shared/family machines and don't want it's presence to be completely obvious.
With a global restore hotkey, the idea could work quite nicely.
