Since estrogenic side effects are all you have to worry about with testosterone, proper dosing of the arimidex will keep that in check nicely. Plus you have nolvadex on hand, just in case.
Be warry of progestigenic compounds like deca and tren. They're what I'm sensitive to and anti-estrogens don't help at all (anti-prolactins like cabaser and bromocryptine are expensive as hell).