I also, have found no reviews.
It is pretty new and not many are in the hands of users yet.
The C7000 appears to be the update of the C5000.
The C5000 was the smaller cousin of the C5060.
The C7000 appears to be the smaller cousin of the C8080.
Here is a comparison of features: C5000 and C7000
http://www.dpreview.com/reviews/compare_post.asp?method=sidebyside&cameras=oly_c5000z%2Coly_c7000z&show=all
....
I have read company literature about the new c-7000, but have been unable to find any hands on reviews.

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GameFAQs
GameSpot
Giant Bomb
TechRepublic