I don't remember if I've suggested this feature before, but if I did, it was a long time ago and nothing was done. =p
I think the URLs list (that mIRC captures from channels, etc.) would be a lot more useful if each URL showed the channel and the nick or hostmask that posted the URL, and preferably if you could filter by channel and/or nick/hostmask, too.
Being able to filter by domain/subdomain might be good, too.
Oh, and the choice of inclusion or exclusion filters could be good.
