Essie Super Bossa Nova vs. Rimmel Shocker

I'm quite fussy about the colours I like on my toes, I like brights and mostly pinks or coral, having said that, I very rarely deviate from my favourite ever toe nail colour which is Rimmel 270 Shocker, I have been painting my nails with this vibrant blue toned shimmery pink for about 6 years, and I never ever intend on giving it up.  I have repurchased this colour numerous times, but occassionally I've found that it just hasn't been stocked - not that it has sold out, but there just wasn't a space for it.  This gave me palpitations, because a life without Shocker would be a sad life indeed.  I hope the day will never come that Rimmel takes my beloved colour off the shelves, but if it does happen I feel I need to be prepared so my search for a dupe began.  So when I was going a little bit wild for Essie colours I spotted this, Super Bossa Nova, and I couldn't believe my luck - it looks exactly like Shocker! Without so much as a backwards glance I made my purchase and couldn't wait to try it out.