The teams that have impressed me so far from the first round of matches:
USA
Germany
Argentina
France (2nd half they were unplayable)
England
Morocco continue to impress not sure about Brazil but they will be a threat with Ancelotti, in terms of level Netherlands vs Japan was the best match so far but Iran vs NZ was alot of fun too.
In term of South American countries only Argentina impressed me, Colombia look dangerous but Uzbekistan gave them a match.
Portugal and Spain have been disappointing so far.