Pl2303 , CP2102 or CH340G Converter Module

Hello,i would like to start with some projects on arduino Pro Mini Chinese copy. So to send data what is the best chip from above.

and is http://i.ebayimg.com/00/s/ODAwWDgwMA==/z/oIEAAOSw7NNT-w-R/$_57.JPG or this http://i.ebayimg.com/00/s/NjI5WDg0Mw==/z/r5EAAOSwNSxU~~sX/$_57.JPG kind better.

thank you

wow.really ,no opinion what so ever.
good forum.must say