This is a really simple tutorial on how to create great looking, 3D-looking buttons.
Step 1
Create a new image with a white background (or transparent). Create a new layer above your background layer. Use the rounded rectangle tool to create a rounded rectangle like above.
Step 2
Double click your button layer, check Bevel and Emboss and use the Above settings.
Step 3
Still in the layer style window, check the stroke box and use the above settings.
Final Product
Looks like a good button, if you ask me! If you have any questions or comments, please post below so we can help you!