When using nouveau the fps are low compared to nvidia closed driver. But when booting, nvidia drivers show the ubuntu splash screen in a 900x800 resolution like nvidia its not loaded yet. When nouveau it splash in a decent resolution.
The problem I'm having since karmic koala is I cant switch to virtual terminals with nvidia closed drivers. By the way, is the same PC: VAIO VPCCW19FX with NVIDIA G210M, now with precise amd64.
To make easy to read the configs, I pastedbin'ed each file in differents pastes.
/etc/X11/xorg.conf >> http://pastebin.com/Ly7n5d2T
/etc/default/grub >> http://pastebin.com/VPBYkRVS
lsmod >> http://pastebin.com/a7q3z9ZL
lspci >> http://pastebin.com/bd4vPCPf