Thanks, ***** ***** you are probably in the US?
Here the price of the BDF 5100 is UK £49
and the BD5700 is UK £170 and is not a recent model here in the UK.
You did not answer the question I asked about whether a suitable adapter was available for the 5100
There are several other Samsung players available here with built in wifi but are expensive so hence my question.
It doesn't look as though you can help me on this occassion.