Are you looking for tablet mockups of different perspectives? Try this set and you also would find the Microsoft tablet and iPad with keyboard.
Anthony Boyd is 23 years old, talented graphic designer from U.S.. He offers lots of delicate mockups free to everyone in the internet. All formate of mockups is PSD so you shall make sure install Photoshop in your computer before using them.
Most vectors and resources are free for download and ONLY personal use that some of them even allowed commercial purpose. NOTICED, not all files have permitted rights for commercial purpose. Suggests you confirm license on original website before any editing, modification or attributing.