Yes, Test E and Test Cyp are pretty much interchangable, as far as I'm concerned. I see no noticable difference in results between the two.
Dbol is a good off season oral, to get your cycle started quickly, adding fuild and strength within a couple of weeks. For your first run with it, 30mg ED should be plenty. I would run it for the first 6 weeks. Dbol has a high conversion to estrogen so you may find that you need a little more AI than when running test alone. Keep a close eye on yourself because it will start working fast and signs of gyno can come on quickly. If you are ready with the AI though, and possibly a SERM, for a few days, if things got out of hand, you can easily avoid an issue. Test plus Dbol is a great combo for mass
Test Cyp 750mg EW
Dbol 25-30mg ED