Hi mate I dont think tou would go far wrong with one of David Hancocks dogs 1/4 collie x 3/4 grey , there hardy , intelligent,and fairly easy to train for daytime or lamp best to go and have a look he,s based in Sutton Cold Field you,ll find his number in (dare I say it) The C********s Weekly you can find it with the rest of the toilet paper in any supermarket or in WH,Smiths , Good luck hope you find the dog you want.