Sursab, you have an excellent comment, looks like a concluding remark for all the discussion lead in this thread. Great! It will be interesting to have as many opinion as possible to bring in this thread. Though we ingnore such issue, it is an important issue to be discussed. XXX, it is nice of you to provoke any discussion which results good and bring many ideas together. You don't need to be in favour or against it, but should have some critical view on the system.