Using the 15% off: NEW15 (for new customers only) I ended up paying £357 for this. I also have cash back on my amex which will take a few pounds off also tried through top cash back too so if it works great. If not I am happy either way. I was about to buy from Cotswold for £450 with the performance bundle. But I already own a HRM Run strap. Hope it helps anyone else. Going to send back my garmin Vivocative HR, as the screens dimness is bugging me.