Top-rated reviews of the week (pictures)
This week, a slickly powerful Audi gets an Editors' Choice Award and a 3D printer earns four stars. Also, CNET's editors find good value in Monoprice earphones and a Sharp LCD TV, put compact and megazoom cameras through their paces, and enjoy an app that could teach your kids algebra.

2013 Audi S6 Quattro
2013 Audi S6 Quattro
The conservatively styled 2013 Audi S6 Quattro is a high-tech sport sedan that makes few compromises where cabin technology, on-road performance, and optional safety features are concerned. Read the review.
Afinia H-Series 3D Printer
Afinia H-Series 3D Printer (H479)
No 3D printer is perfect yet, but the Afinia H-Series 3D Printer (H479) is the most approachable model we've reviewed, and we'd recommend it to anyone serious about getting started with 3D printing. Read the review.
Fujifilm FinePix HS50EXR
Fujifilm FinePix HS50EXR
The Fujifilm FinePix HS50EXR's features and performance are well beyond those of your average point-and-shoot megazoom, making it a fine choice for enthusiasts and as a family camera. Read the review.
TackForm C-Fit Multi-Surface
TackForm C-Fit Multi-Surface
The TackForm C-Fit Multi-Surface is a stylish and secure suction cup mount that can hold almost any phone on almost any smooth, solid surface. Read the review.
Harman Kardon BT
Harman Kardon BT
While their design may not be for everyone, the Harman Kardon BT earphones are among the best-sounding pairs of Bluetooth headphones available. Read the review.
Sharp LC-60LE650
Sharp LC-60LE650
The Sharp LE650 series sets the big-screen LCD TV value bar high with very good picture quality for the price. Read the review.
Monoprice Noise Canceling Headphones
Monoprice Noise Cancelling Headphone
The Monoprice Noise Canceling Headphones model is about 70 percent as good as the similar Bose QuietComfort 15 for a little more than a third of the price. Read the review.
Fujifilm X100S
Fujifilm X100S
The Fujifilm X100S is a great enthusiast compact for manual-focusing fans. Read the review.
Sigma APO 70-200mm F2.8 EX DG OS HSM
Sigma APO 70-200mm F2.8 EX DG OS HSM
Versatile, sturdy, and built with high-quality optics, the Sigma APO 70-200mm F2.8 EX DG OS HSM lens offers a good value, although it's not exactly cheap. Read the review.
Toshiba Qosmio X875
Toshiba Qosmio X875
We have yet to see a truly great gaming laptop built from the ground up with Windows 8 in mind, but the 17-inch Toshiba Qosmio X875 can be configured into a powerful, reasonably priced mainstream gaming machine. Read the review.
Logitech Keyboard Folio for iPad
Logitech Keyboard Folio for iPad
The simple and functional Logitech Keyboard Folio for iPad offers a keyboard plus iPad protection, but it's too thick for its own good. Read the review.
DragonBox+ for Android
DragonBox+ for Android
No matter how old you are, DragonBox+ is a great tool for learning how to solve basic algebraic equations, even considering its hefty price tag. Read the review.
The Room for iOS
The Room for iOS
If you like puzzle games, The Room is a unique and addictive app you should get right away, with great visuals, pitch-perfect sounds, and plenty more to keep you struggling to figure out just how to unravel the mystery. Read the review.
Google Translate for Android
Google Translate for Android
Google Translate, with its versatile input methods, simple interface, and offline support, is one of the best translation tools out there. Read the review.