
Hello. For may of your questions you can find the answers on the Australian Shepherd club of the UK Website
http://www.ascuk.co.ukMost of your questions will be answerd on this page
http://www.ascuk.co.uk/the%20ausie.htmThere's not generally any temprement difference in the aussie with colour although Merles seem to carry a heavier coat. Don't go to a breeder who has bred merle to merle.
A good person to talk to would be Julie Blackburn when your looking for puppies as she will have a list of reputable breeders with puppies at the current time. You will find her details on the above website :)
There is also another club who's website is
http://www.n-a-s-a.org.uk/ Who will also have details about the breed aswell as someone to contact about puppies.
I know it's short notice and depending where you are in the country there is a breed show on tomorrow at polesworth, nr Tamworth where your more then welcome to go along at talk to breeders and exhibitors.
Hips and eyes should be tested in Aussies, most breeders also test elbows.
Living with Aussies can de demanding, although they are not quite as bad as the border collie they need plenty of exercise physically and mentally so training is a must and it needs to be continual!
There are afew aussie people on this forum whho will be able to give you more details about living with them. I just show them :)