I owned an Omni and I say no on that one. Definitely no on the older ones with a slower extruded base, but the newer ones have gone to sintered. I found the taper unnecessary since TBT floats enough without it and it makes riding switch unnecessarily awkward.
17 Korua Apollo . 17 Lib x Lost Mayhem Short Fat . 17 Jones Storm Chaser . 16 Never Summer Swift . 14 TJ Brand Retro Fish
17 Burton Malavita Wing . 16 Burton Genesis X
16 Flow Talon