(I have used only 1 or 2 features of wordpress 3.5, if someone wants, he/she can fork with fallback code)

CSS3 animated 3D and 2D transitions. Use [nggallery id=x template="3dfluxsliderview"] for a cool animated slider

Manager jquery slider by options drag/ drop. Support all most responsive jquery slider have options: bxSlider, flexSlider, nivoSlider, swiper slider, bootstrap and your custom slider,.... Support php, shortcodes

Wp Mock Slider is an awesome WordPress slider plugin with a lot of nice features. Just install and build sliders in a few minutes.