Hypothetical LTSP in MS schools implementation question

[Don Davis]

What are\ have some of the greatest been regarding LTSP implementation 
in a mixed environment?
Are there many / any predominantly MS schools implementing Skole Linux\ 
LTSP solutions?
What are typical caveats \ concerns ? Such as:
How long does it take to configure LDAP with Active Directory?
How many man hours \ how much cost to set up\maintain an LTSP setup 
within an MS framework?
Which remote Desktop solutions would\could be used from MS into the LTSP 
environment?