What Should i Buy?

[PlaystaionGamer]

so im stuck, i havent brought a PSP game in a long time so im torn between:

LittleBigPlanet - PSP or

Motorstorm PSP

 

i was Addicted to LittleBigPlanet on the PS3, so want to try out the PSP version, also really liked Motorstorm so not sure

 

(im getting GTpsp in January)