Just for people's interest, here's a quick summary of the last 100 downloads:
glade4_win32 41
glade4_win64 26
glade4_linux64_rh5 9
glade4_linux32_ub10 7
glade4_linux32_rh5 4
glade4_linux64_ub10 3
glade4_linux64_rh4 3
glade4_linux32_rh4 3
spice3f5_win32 2
spice3f5_win64 1
glade4_sunos 1
Naturally the numbers vary over time, with 64 bit Windows showing a strong growth, probably due to most PCs shipping today with Windows64 as standard.