Training and intelligence
The Poodle is very intelligent and, in theory at least, very trainable. They can be a challenge to occupy, but be gentle and consistent. These dogs are particularly sensitive to your voice, which you can use to your advantage.
Temperament
There are three different sizes of Poodle, and obviously character differs accodring to size. In general the Poodle has an abundance of desirable qualities - they are clever, affectionate, playful and lively.
Attitude towards strange dogs and people
Poodles are alert - they make good watch dogs, but have no real guarding instincts. They are generally friendly to strangers, people or dogs.
Grooming and shedding
Poodles famously don't shed, but they will need plenty of grooming and clipping. Don't be fooled into thinking a Poodle is the answer if you have dog allergies. Some Poodles may not aggravate some people's allergies, but this is not a sure thing.
Exercise
All Poodle love exercise, but obvisouly the bigger the Poodle, the more exercise they will need. Bare I mind that poodle are very intelligent, will love training activities such as agility and flyball, and also will enjoy learning tricks.
Need for company
Poodles love family life and will want to be with you as much as possible. As with all intellignet breeds, if they are left alone too much they will find their own ways to relieve the bordeome.
General
Poodles are wonderful companions, being very in tune with their owners, and the variety of size means there is probably a poodle to suit most homes. However - THERE IS NO SUCH THING AS A HYPOALLERGENIC DOG.