Anyway My very preferred terminal is 'stjerm' because of his great customizability:
tabs were you want: vertically on the left in my case (and only progressively numbered - to gain space)
single key hide/show (also known as 'quake terminal mode'): when i press f12 my terminal appears and disappears
quite fast (gtk+ and libvte)
bold characters are also differently colored (very good in man pages)
borderless and without toolbars: no space wasted.
configurable startup position and dimensions
Terminator is a very good terminal, plenty of exclusive great features; but i really miss these features, and i think these are good (and maybe costless) ideas to improve it.
another good feature Terminator miss (found in debian-distribuited 'terminator' :) ) is the ability to split the window: very useful to quickly compare files.
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*Luca Santini*