My list is
-Cavs. Lebron is Lebron and i don't think the guy has been eliminated in the first round in the last.... years
-Bulls. If Rose is really back 100 percent, this is a team nobody in the nba will want to face. Gasol, Noah, Gibson makeup a pretty tough looking frontcourt trio. Butler is underrated and a heck of a defender. Mcbuckets and Mirotic shouldn't be taken lightly and could really stretch out the floor.
Outside of these two teams, no other teams would really scare me.