I make 2-3 flights to SIN a year (via SEA) for work, always in Y (unless I get lucky, or hopefully this coming year, get to use my SWUs). I usually get the cheapest ticket I can find, although the SWU rules will make me more selective in 2004.

I really value the 100% bonus miles on UA metal and though the service is usually fairly poor, at least as far as NRT, I wouldn't swap to SQ, even though I consider it to be a much better product.

Would be fun to do it once though!