I hope you don't mind me butting in on the conversation, but toilet training is something I do have a little experience with.
Girls definately start sooner than boys. Tyler was 2 and a 1/2 when he started. We did exactly what Tepe said SJ. We bought him a potty and sat it in the loungeroom where everyone normally socialises so he didn't feel left out. I definately would only try to toilet train in the warmer months, especially here in Tasmania. It is terrible for a small child to walk around with a wet nappy when its cold out. During summer you can strip them to a t-shirt and let them run around. You will have to keep a close eye on her and if she starts to go GENTLY pick her up and put her on the potty. If you grab her she will think she is doing something wrong. It is hard because no-one wants messes but I guarantee it will not last long. If you sit her on the potty to watch t.v so she feels comfortable this will help.
After a while she will recognise the potty as the right place to go. You also have to make a huge deal out of a successful potty event. Praise her heaps and give her a cuddle, make it as big a thing as possible. This will encourage her to do it in the potty to get the attention.
Tepe our second child Zac is going through exactly the same thing he always tries to take his nappy off in bed, I suggest comfy fitting pants not nighties or boxers. As far as he is concerned nappies are just an inconvenience, besides his brother uses the toilet so why shouldn't he. At least thats what he thinks anyway. He is always walking into the toilet asking to go. He doesn't have any bladder control yet though so training is out of the question. It is hard for him because he knows when he is about to go but can't stop it and when he wants to go he can't. We are trying this summer with him and if that fails then we will have to try again next summer. Hope all that was a little helpfull.
All the kids are going terrific and Cahlia is growing heaps. She had her 6 month shots today and didn't even cry, she is so tough, I was so proud of her I almost cried, needless to say the doctor was relieved aswell. The previous three kids screamed at her when she gave them their shots. Now SJ that is a job I would not like to have.
Nice chatting again.
Best of luck with the training.
3 kids under 3