i would pay full price thru a legit sony dealer and use a cc that eels you out 1-2 years of extra warranty (visa signature and citibank’s premium cards come to mind, some amex as well)
anybody below msrp on ebay, etc., you risk warranty issues
the unit is worth 220 imo
there was a camera shop i bought my zoom from who got me a slightly better price, i can ask if sony is in his stable