It isn't in stock at my local store or for delivery but I thought I would share as others may have more luck.
If it isn't in stock for you, it may be worth informing Amazon and hope they price match.I already did it but no luck so far, maybe they'll match the price if they get enough people filling in the seen it cheaper form. :)
Amazon link: http://www.amazon.co.uk/dp/B00SJBHPH8
Scroll down to: "Feedback Would you like to update product info, give feedback on images, or tell us about a lower price?" and click on tell us about a lower price, if the tell us about a lower price link isn't displayed, click on the 5TB drive option and then click back on the 6TB drive, it should then appear. You will know you're filling in the correct form as it will have:
"Tell Us About a Lower Price
Seagate Backup Plus 6TB USB 3.0 Desktop 3.5 inch External Hard Drive
at the top.
Here are the details for the form:
URL = http://www.argos.co.uk/static/Product/partNumber/4139836.htm
Price incl. VAT: (£) = 119.99
Shipping cost: (£) = 3.95
Here's a post I made with images showing the whole process:http://www.hotukdeals.com/deals/seagate-backup-plus-desktop-6tb-drive-119-99-3-95-delivery-argos-2498758?p=28618309#post28618703