interchangable circular sets

[susianna]

Hi all, I would like to buy an interchangable circular needle set, and was wondering if y'all have any suggestions. There is one I saw on- line called Addy (is this correct?) and it looked good. What do you think? I've heard Knit Picks mentioned here...are they an interchangable set? I'd like them in bamboo and I know Addy(?) has them. Any advice? Thanks.