Just got my Omnia on Friday and my accessories are still in the mail.
Bought this 5 pack that includes a silicone cover, screen protector, data cable, and travel & home charger
http://www.amazon.com/o/ASIN/B001N1ELMS
8gb class 6 memory card
http://www.amazon.com/o/ASIN/B001IAMME8