and I'm really chuffed. We're not really trying potty training as such, DS1 was very late (3yrs old) so I'm not expecting anything fancy. But whenever DS1 does a poo before his bath DS2 always likes to sit on the potty. He usually wants to stand up before he's done anything. But does usually do a wee (on the floor) straight after he gets out the bath.
Got him out just now and he said (after farting loudly LOL) "I need a poo poo". I offered the potty to him and he sat on it. About 3 minutes later he wanted to stand up and I expected a dry potty - but he'd done a wee in it 
.
Certainly not going to 'push' it, don't think he's quite ready for proper potty training yet - but so chuffed he managed it.