This is the collection I have of them so far. I blame Mizzworthy, if she hadn't
tied me down and forced me to buy introduced me to the OPI Designer Series Celebration polish (2nd from the left there) then I wouldn't have this lemming for holographic polishes, because I wouldn't have known they existed!
My nails are currently painted with OPI Extravagance (3rd from the right) which is a gorgeous purple with red, yellow, orange and green holographic glitter:
Love the depth of colour in this polish, and also love that it's quite subtle from a distance:
I've tried China Glaze and OPI holo's so far, but I'm REALLY looking forward to Nubar releasing their holo-polishes at the end of January ... they'll be available from Beauty Shed, and I'll be picking up at least a couple ...I found the swatches here, and I can't wait!