So far this morning 17 reviews of the 7970 have been published:
http://www.anandtech.com/show/5261/amd-radeon-hd-7970-review
http://www.bit-tech.net/hardware/graphics/2011/12/22/amd-radeon-hd-7970-3gb-review/1
http://www.guru3d.com/article/amd-radeon-hd-7970-review
http://www.hardocp.com/article/2011/12/22/amd_radeon_hd_7970_video_card_review
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/49646-amd-radeon-hd-7970-3gb-review.html
http://www.hardwareheaven.com/reviews/1361/pg1/amd-radeon-hd-7970-graphics-card-review-introduction.html
http://www.hardwaresecrets.com/article/AMD-Radeon-HD-7970-Video-Card-Review/1458
http://hexus.net/tech/reviews/graphics/33031-amd-radeon-hd-7970-3gb/
http://hothardware.com/Reviews/AMD-Radeon-HD-7970-28nm-Tahiti-GPU-Review/
http://www.kitguru.net/components/graphic-cards/zardon/amd-hd7970-graphics-card-review
http://www.legitreviews.com/article/1805/1/
http://www.pcper.com/reviews/Graphics-Cards/AMD-Radeon-HD-7970-3GB-Graphics-Card-Review-Tahiti-28nm
http://www.techpowerup.com/reviews/AMD/HD_7970/
http://www.tomshardware.com/reviews/radeon-hd-7970-benchmark-tahiti-gcn,3104.htm
http://www.vortez.net/articles_pages/amd_hd7970_3gb_tahiti_review,1.html
http://vr-zone.com/articles/amd-radeon-hd-7970-review-part-1-3--meet-tahiti-xt-from-the-southern-islands/14307.html
You can expect a more reviews in the next couple of weeks.
http://www.anandtech.com/show/5261/amd-radeon-hd-7970-review
http://www.bit-tech.net/hardware/graphics/2011/12/22/amd-radeon-hd-7970-3gb-review/1
http://www.guru3d.com/article/amd-radeon-hd-7970-review
http://www.hardocp.com/article/2011/12/22/amd_radeon_hd_7970_video_card_review
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/49646-amd-radeon-hd-7970-3gb-review.html
http://www.hardwareheaven.com/reviews/1361/pg1/amd-radeon-hd-7970-graphics-card-review-introduction.html
http://www.hardwaresecrets.com/article/AMD-Radeon-HD-7970-Video-Card-Review/1458
http://hexus.net/tech/reviews/graphics/33031-amd-radeon-hd-7970-3gb/
http://hothardware.com/Reviews/AMD-Radeon-HD-7970-28nm-Tahiti-GPU-Review/
http://www.kitguru.net/components/graphic-cards/zardon/amd-hd7970-graphics-card-review
http://www.legitreviews.com/article/1805/1/
http://www.pcper.com/reviews/Graphics-Cards/AMD-Radeon-HD-7970-3GB-Graphics-Card-Review-Tahiti-28nm
http://www.techpowerup.com/reviews/AMD/HD_7970/
http://www.tomshardware.com/reviews/radeon-hd-7970-benchmark-tahiti-gcn,3104.htm
http://www.vortez.net/articles_pages/amd_hd7970_3gb_tahiti_review,1.html
http://vr-zone.com/articles/amd-radeon-hd-7970-review-part-1-3--meet-tahiti-xt-from-the-southern-islands/14307.html
You can expect a more reviews in the next couple of weeks.