laptop #1, #2 or #3?

I have 3 options for a new laptop. Which do you guys think I should get?

(1) Lenovo ThinkPad X61 Tablet

LV 1.8 Ghz (Core 2 Duo)
2GB RAM (667 Mhz)
160 GB HD (7200 RPM)
12.1" XGA
Intel Graphics 950
8-Cell Battery
4.25 lbs


(2) Lenovo ThinkPad X61 notebook

2.0 Ghz (Core 2 Duo)
2 GB RAM (667 Mhz)
160 GB HD (7200 RPM)
12.1" XGA
Intel Graphics
8-Cell Battery
3.56 Lbs

(3) Lenovo ThinkPad T61 notebook

2.4 Ghz (Core 2 Duo)
2GB RAM (667 Mhz)
160 GB HD (7200 RPM)
14.1" SXGA+
nVidia 128MB Graphics
7-Cell Battery
4.25 lbs