Yeah, 32 Gig would be fine and then some.

I'm sure it's doable, but it's gonna require some work and no doubt a couple of reflashes, to get it working, so if you're up for that... Good luck.

Jebba => http://wiki.maemo.org/User:Jebba
compiled his custom kernel, which I'm using now, mostly for the coolness of having the framebuffer console enabled, so you see the Linux penguin on boot, am not sure if it has LVM support compiled in, but you can check it out...