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.
16 NS West . 15 NS Snowtrooper Brother in Arms Edition . 13 Salomon Pow Snake
16 Rome Katana . 15 Now Drive . 14 Burton Genesis
14 Flow Hylite