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I used cadence for sometime . its powerful yeah, but it was a bit complex and learning curve was very steep. then came along Electronic work bench Ultiboard which is not that stable but its intuitive and easy to use. good luck !
I have used Orcad , ProtelDXP and PADS, but for the special case that you had said I think protel is the best choice for you because of very simple steps in Cadance and PADS package you must build up most part of the library by your self but Protel has a very complete library.