Originally Posted by kymrbill
Hi
Newbie 
The 50% miles bonus for Silver might be the biggest advantage. You need to calculate what that would mean toward earning legitimate Silver for 2007. The Elite pre-boarding opportunity is a benefit as well until you hit one of those hub flights (IAH/EWR/CLE) that are 75% elite. F/C Upgrade availability for a low-fare Silver is prpbably pretty slim.
I agree, but if you connect with NW via MSP or DTW, your upgrade odds improve some. (Probably not between SEA-MSP and SEA-DTW though).
It's also reported that EUA for CO's EWR-SEA-EWR is also difficult (as platinum).
Jiburi