Today i was thinking to merge my SPG account with my skywards account wich is if im not wrong 3 miles for 1 usd spent at SPG my next stay in sheraton well coast me around 1200-1500 USD + paying with amex 1 usd to 1 skywards mile wich is not bad at all OR keep it SPG points wich i well not use them on SPG but i can use them with marriott later !!