Are you sure, for my Intrepid search doesn't show them.
~$ aptitude search xserver-xorg-video
v xserver-xorg-video-2.9 -
v xserver-xorg-video-4 -
i xserver-xorg-video-all - the X.Org X server -- output driver metapa
p xserver-xorg-video-amd - Geode GX2/LX display driver (dummy transit
p xserver-xorg-video-amd-dbg - Geode GX2/LX display driver (dummy transit
i xserver-xorg-video-apm - X.Org X server -- APM display driver
i xserver-xorg-video-ark - X.Org X server -- ark display driver
i xserver-xorg-video-ati - X.Org X server -- ATI display driver wrapp
p xserver-xorg-video-ati-dbg - X.Org X server -- ATI display driver wrapp
i xserver-xorg-video-chips - X.Org X server -- Chips display driver
i xserver-xorg-video-cirrus - X.Org X server -- Cirrus display driver
p xserver-xorg-video-dummy - X.Org X server -- dummy display driver
i xserver-xorg-video-fbdev - X.Org X server -- fbdev display driver
i xserver-xorg-video-geode - X.Org server -- Geode GX2/LX display drive
p xserver-xorg-video-geode-dbg - X.Org server -- Geode GX2/LX display drive
p xserver-xorg-video-glint - X.Org X server -- Glint display driver
i xserver-xorg-video-i128 - X.Org X server -- i128 display driver
i xserver-xorg-video-i740 - X.Org X server -- i740 display driver
p xserver-xorg-video-i810 - X.Org X server -- Intel i8xx, i9xx display
i xserver-xorg-video-intel - X.Org X server -- Intel i8xx, i9xx display
p xserver-xorg-video-intel-dbg - X.Org X server -- Intel i8xx, i9xx display
p xserver-xorg-video-ivtv - X.Org X server -- IVTV display driver
p xserver-xorg-video-ivtv-dbg - X.Org X server -- IVTV display driver (deb
i xserver-xorg-video-mach64 - X.Org X server -- ATI Mach64 display drive
p xserver-xorg-video-mach64-dbg - X.Org X server -- ATI display driver (debu
i xserver-xorg-video-mga - X.Org X server -- MGA display driver
i xserver-xorg-video-neomagic - X.Org X server -- Neomagic display driver
p xserver-xorg-video-nsc - X.Org X server -- NSC Geode GX1 display dr
i xserver-xorg-video-nv - X.Org X server -- NV display driver
i xserver-xorg-video-openchrome - X.Org X server -- VIA display driver
i xserver-xorg-video-r128 - X.Org X server -- ATI r128 display driver
p xserver-xorg-video-r128-dbg - X.Org X server -- ATI r128 display driver
i xserver-xorg-video-radeon - X.Org X server -- ATI Radeon display drive
p xserver-xorg-video-radeon-dbg - X.Org X server -- ATI Radeon display drive
p xserver-xorg-video-radeonhd - X.Org X server -- AMD/ATI r5xx, r6xx displ
p xserver-xorg-video-radeonhd-dbg - X.Org X server -- AMD/ATI r5xx, r6xx displ
i xserver-xorg-video-rendition - X.Org X server -- Rendition display driver
i xserver-xorg-video-s3 - X.Org X server -- legacy S3 display driver
i xserver-xorg-video-s3virge - X.Org X server -- S3 ViRGE display driver
i xserver-xorg-video-savage - X.Org X server -- Savage display driver
i xserver-xorg-video-siliconmotio - X.Org X server -- SiliconMotion display dr
i xserver-xorg-video-sis - X.Org X server -- SiS display driver
i xserver-xorg-video-sisusb - X.Org X server -- SiS USB display driver
i xserver-xorg-video-tdfx - X.Org X server -- tdfx display driver
p xserver-xorg-video-tga - X.Org X server -- TGA display driver
i xserver-xorg-video-trident - X.Org X server -- Trident display driver
i xserver-xorg-video-tseng - X.Org X server -- Tseng display driver
i xserver-xorg-video-v4l - X.Org X server -- Video 4 Linux display dr
i xserver-xorg-video-vesa - X.Org X server -- VESA display driver
p xserver-xorg-video-vga - X.Org X server -- VGA display driver
i xserver-xorg-video-vmware - X.Org X server -- VMware display driver
i xserver-xorg-video-voodoo - X.Org X server -- Voodoo display driver
There is always the possibility that were under some other name in Intrepid. This is on an updated index of Intrepid. So if somebody knows something please lemme know.