I didn't train my pansear.. when i got it, it went straight to my pc box and i did not even use it to defeat Cilan... Maybe if they're elemental cats then I would have used them but no.. not monkeys.. :s
I don't like their designs (except for Pansage & Simisage, but I never chose Tepig) so I ditched them after the first gym.
I used Simipour until I beat the Elite Four. After that, it pretty much didn't have much use anymore, so nowadays I use it as an Surf/Waterfall/etc HM Slave.
Simipour isn't that bad looking if it is female.
Rather useful too, I loved using mine as a cut slave and as a box filler before the first gym.