Confuscious say, "When man who buy expensive item see's price he cry's one time,
Man who takes bargin cheap item smiles at price but then crys many, many times."
[/quote] sleepyc hit the nail on the head. The up front cost of flying gas goes up experientially as size goes up but the rewards of bigger flies better is no secret. Confucius also said man how piss in cash register find it run into money. Good used may be better than new smaller if cash is an issue. glenr