Have a ganders on here gives a small insight into most breeds. I have just got a Victorian Bulldog and they have an excellent temperament and i have 5 cats and they get on like a house on fire.

http://www.dogbreedinfo.com/petreliability.htm#E

I do like Staffs but have wanted a Vic Bulldog for years and after waiting for years to get one i finally got one was only 3 litters last year.

Remember if you do change your mind and buy a pup all pups puppy bite and can be painful till there grown out of it.