CLI's a way more potent than GUI's for a large range of everyday tasks.
Excactly, I use many console apps on my Debian box like screen, mc, moc, irssi, rtorrent, links2, centerim just to name a few. They are fast and very low on recourses. I also burn DVDs and CDs from console and pack/unpack archives with just a simple command.
There are so many good console apps available that you actually can do without a gui if you want to.
