准备到美国读MBA,希望各位给个建议

Both are possible but there are many other factors that you need to consider.  Take a look at http://forum.chasedream.com/dispbbs.asp?boardID=13&ID=239846&page=1 and http://forum.chasedream.com/dispbbs.asp?boardID=13&ID=173361&page=1

Good luck!