dual monitors where both monitors are the DVI docking station? fine
dual monitors where one is the onboard LCD and the other is a monitor connected via the VGA port? fine
three monitors, where one of them is the onboard LCD and the other two come from the DVI ports? nope! (this works in windows).
going from windows to ubuntu, there are three big things that i ran into:
no 3 monitor support,
less battery life, and
wifi issues (google for ubuntu iwlagn, all kinds of awesome ways to get it work like iwconfig wlan0 mode 1M, welcome to 2001, and turning off g/n support)
also, suspend/resume has a 1/10 chance of not resuming. this is worse than window's 0/10 chances of not resuming (every. time. i pulled my windows T510 out of my bag and opened it, it was there. with linux? i cross my fingers)
(Not trying to dispute your experience, just presenting my own for balance, for the benefit of anyone trying to decide whether Ubuntu on a Thinkpad is viable.)
* Triple monitor: like you, I couldn't get this to work.
* Battery life: it's not been as good as in Windows, but it's been very acceptable if I tweak a bit using powertop. (Of course, I'd like it to be as good as in Windows.)
* Wifi: I have had no issues whatsoever; this worked perfectly out of the box, even with WPA, G/N, etc.
* suspend/resume: I've never had a problem with resume. About 1 time in 100 it will fail to suspend (which is just as bad, since I have to hard reboot to turn it off). It's been nowhere near 1 in 10 for me though. Easily reliable enough for me to not worry about.
How well wifi works depends on if you stick with the default "Thinkpad wireless" or you pay a bit extra for the Intel wireless stuff. Its well worth the extra $20 in terms of the Linux drivers being much better for the later, if nothing else.
dual monitors where one is the onboard LCD and the other is a monitor connected via the VGA port? fine
three monitors, where one of them is the onboard LCD and the other two come from the DVI ports? nope! (this works in windows).
going from windows to ubuntu, there are three big things that i ran into: no 3 monitor support, less battery life, and wifi issues (google for ubuntu iwlagn, all kinds of awesome ways to get it work like iwconfig wlan0 mode 1M, welcome to 2001, and turning off g/n support)
also, suspend/resume has a 1/10 chance of not resuming. this is worse than window's 0/10 chances of not resuming (every. time. i pulled my windows T510 out of my bag and opened it, it was there. with linux? i cross my fingers)