You can also use it with dd, or even just redirect it directly to a block device. I use it a lot for writing USB images. `pv image.iso > /dev/sdX`. Just gotta be careful not to redirect it to the wrong one...
[1]: screaming picked up by mic; detected maniacal CTRL-C'ing as immediate as it is futile; permanent loss of peer relationship to the project's cloud (indicating subsequent reformatting and/or booting-off-tall-building)