Samsung 2600mAh 18650s now on DX

See the links below, prices aren’t bad if you order 3 sets or so:

http://www.dealextreme.com/p/genuine-samsung-2600mah-3-7v-18650-rechargeable-lithium-battery-pink-2-piece-pack-144561

http://www.dealextreme.com/p/genuine-samsung-2800mah-4-35v-18650-rechargeable-lithium-battery-purple-2-pack-143497 (4.3V though) $11.12 per pair for 3 pairs + boxs!

Do you think they are legit though? Samsung vs Sanyo, which are better?