Reading the specs The Arcsaber 002 and 003 and very similar only difference the 003 is medium stiffness as the 002 is flexible. I would say the only difference between 002 and 003 and nanospeed 100 is the technology used in frame. 002 and 003 Flex: 002- Flexible 003-Medium Frame: H.M.Graphite, NANOAIR SPRING Nanospeed 100 Flex: Flexible Frame: Graphite.
Honestly it isn't my decision it is yours If you can go to the shop and look for these rackets have a swing. I would buy the Arcsaber 003
