Sounds like you have a good budget and have been riding awhile. For your wants, I'd suggest: NS Infinity as you mentioned, but also the Gnu B-Pro and Roxy Eminence.
15 LibTech TRS HP . 15 NS Snowtrooper . 15 NS Ripsaw . 13 Salomon Pow Snake
15 Now Drive . 14 Now Drive
14 Flow Hylite