Are these two LK models the same?

Hi,

Thanks for reading my post.

I'm considering to buy the model Casio keyboard LK90-TV. I'd like to know if the model listed in the following page in Sam's Club website - LK90STADMC is same as LK90-TV. Please help me.
http://tinyurl.com/5pevw


The original specs for LK90-TV is here in Circuit City's website:
http://tinyurl.com/55cwl


THank you for any and all help.