Forum Moderators: mack
Is this considered unethical, or is it common practice?
Please tell me (politely) if this is completely out of order.
Using someone else's design, exactly -- another no-no.
Using someone else's ideas for inspiration -- perfectly fine.
Use someone else's design as a starting point but modify it enough that it's your own work.
If you really want their graphics, you can always ask for them.
So be careful not to take anything from a site that doesn't have the word "Copyright" marked on it. That's no guarantee that the content is not protected.
However, regarding layout, I agree with the previous poster. Taking inspiration from elements you like on someone else's site is the way forward.
Take a walk through the Zen garden, or check out the best competitors in your industry. Then create something original.