I think it's very important you take your time to have a good look round. Visit a few shows if you can and talk to people. You will meet some very strange folk but you'll soon realize the genuine dogmen from the bulls*****rs. If you see something you like the look of, get talking to the fella. Ask how it's bred, who bred it, how it has performed in the field. Be prepared for some amazing bulls***t but, as I said you'll figure it out.
Don't rush into anything as you'll be stuck with what you've got for long time. It took me a while to sort out what suited me best and I think if most folk where