The early HTC One mini rumors (http://www.gsmarena.com/5_htc_butterfly_s_and_43_one_mini_to_have_ultrapixel_cameras-news-6147.php) were mostly hearsay, but now we have something more solid. Estonian site Forte got hold of the actual device and took a few photos of it and its big namesake.
The HTC One mini shares many of the great features of the big HTC One (http://www.gsmarena.com/htc_one-5313.php)