Standard Poodles?

Okay so I heard they are energetic but can be great apartment dogs.. Anyways I was just wondering what to ask a breeder and how much they generally cost.. And any info I need.. I also heard to get two of them.. I have a beagle thats playful do you think thats good? Also I was wondering wear (online) can I buy a collar similar to the one in Audrey Hepburn's movie Sabrina that was on her brown miniature poodle.