Here are links to sellers of cellos and materials that I like and have purchased from:
Shar sells all music related materials, including cellos, bows and accessories. They sell a big range of Suzuki music and materials.
A general supplier of instruments, bows, accessories and music.
Cellos, bows, and music with a very personal approach. Highly recommended.
Instruments and bows from a supplier and player who specializes in cellos.
http://donaldcarpentermackenzie.com
Luthier and maker of lovely cellos
Violin shop plus they make their own, wonderful, rosin. Ask for it.
Cello With Love 