I posted a bit a go about the new Addiction eyeshadows here and here. Here is the comparison swatches for similar shades.
Top to Bottom: Addiction Penny Lane, Day Trip, Magic Flute, Sand Bar:
Top Addiction Nostalgia, Bottom Addiction Marron Glace:
Top L: Surratt Soie; Below R: Surratt Idealiste; Below L: Addiction Penny Lane; Below R: MAC Vex; Below L: Addiction Tuxedo Moon; Below R: Makeup Geek Rockstar; Below L: Addiction Day Trip; R: Shiseido Trio BE213 Middle Beige Shade; Below L Addiction Sand Bar; R:Urban Decay Skimp(Gwen Palette):
Top: Suqqu Trio EX-05 Brown Shade; Middle L to R: Addiction Marron Glace, Surratt Haute Chocolate; Bottom L to R: YSL Couture Mono #11, Natasha Denona Smoky Quartz: