this plan is not only physical, although, physical also. also if any one is after information please do not hesitate to contact me. hey sorry it took me so long to respond mark, i usually try to be faster, but been a hectic day. i always know how my stories will	end. we have been taking our son eric here for about 4 months now he loves going to class. i did not think of that design, but it definitely makes sense and would be much stronger. all the high-end features come at a price that is very budget-friendly. 