Bambusa multiplex 'Alphonse Karr' is a great hedge bamboo. Very easy, fast growing, tight clumper. Culms are a beautiful yellow with green stripes. They can have pink and orange hues, especially when young. Grows to around 10-15 ft in So Cal.
http://bamboo4gardens.com/
These nice 15 gallon plants are around 5-7 ft now.
Smaller 5 gallon plants $40.
Lots of other plants too- other types of bamboo, palms, aloes, agaves etc - by home gardener.