I am a new poster and am looking for advice/recommendations for a proposed trip from Albuquerque (or Santa Fe -- whichever is easier) to Vegas. My family (including 2 kids ages 7 and 10) is currently planning on stops at Mesa Verde, Natural Bridges National Monument, Bryce Canyon and Zion. We will be going the first week in April and have 9 days. We will want to spend possibly 2 days in Vegas. Given our time frame, is this a reasonable itinerary or are we biting off too much? Also, Since most of Mesa Verde will not be open when we are travelling, is it still worth the stop? Thanks in advance for any advice/thoughts you may have.