Is there a site that outlines the differences between the RW, PP, SW, and OW series?
Prices don't seem to be that different, and they appear cheap compared to pretty much anything else. Should I just buy the newest, or are there any pros for the older models?
Prices don't seem to be that different, and they appear cheap compared to pretty much anything else. Should I just buy the newest, or are there any pros for the older models?



