KDL-42W653A or KDL-42W654

[eddiebirmingham]

whats the difference between the

KDL-42W653A or the KDL-42W653 if any?

and what is the difference between that and the KDL-42W654

[redtopper1]

one is silver and one is black was looking at the same thing before i got mine

[eddiebirmingham]

but the spec is the same?

and why do some shops advertise with the letter A on the end and some dont?

[eddiebirmingham]

also this site call it the KDL42W653A but most of my google shopping searches return KDL42W653.

is it the same product or is the KDL42W653A an upgrade?