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 NS Ripsaw . 14 NS Proto HD . 14 NS Cobra . 13 Gnu Space Case EC2 . 2013 Salomon Pow Snake
14 Now Drive . 13 Now IPO
14 Flow Hylite