I had a SL and it was one of the best boards I've ever owned. Fun, versatile, fast, and never let me down. That said, the Heritage has been my go-to board the most the last couple seasons, but that's because of the terrain I ride. If you want to have 2 boards, the Heritage will provide more contrast. Another option is to get the SL and recoup a few bucks by selling the Evo. The SL can do it all.
18 Snoplanks Asym Fish . 18 Arbor Terrapin . 17 NS Maverix . 17 NS Twenty Five . 16 NS Swift - 14 TJ Brand Retro Fish
18 Rome Katana . 17 Burton Malavita Wing . 16 Burton Genesis X
16 Flow Talon