[ Weddings ] Open Question : Is it tacky for a man to wear an engagement ring?

What do you think? Inspiring by the following question: http://answers.yahoo.com/question/index;_ylt=AmhejR9yjzum1._auAgvR2fty6IX;_ylv=3?qid=20100819150826AADN0Pf&show=7#profile-info-KCwE4coraa