spectra S2 parts & etc.

After reading all the reviews about the spectra I've decided to go with the S2 instead of the Medela. I know the parts need to be ordered thought amazon & etc. Does anyone know of any good blogs or places to go to look up infor on parts ? I see there's maymom flages in different sizes that make other bottles fit the pump. Do I have to order other tubing at well? Or will my tubing work with those kits ?