Best solution for 3.5 memory card reader into 5.25 bay?

[jdx3ds]

The case I'm getting only has 5.25" bays..

 

[sminlal]

Any set of 3.5 to 5.25" mounting brackets should work just fine:

http://www.newegg.ca/Product/Product.aspx?Item=N82E16811993004

As for the bezel, you'll need a card reader with the right kind of faceplate.