Ikea mattress Hovag reviews?

I went to ikea and tried all the mattresses, the one I liked best is the firm hovag, funnily enough, it's the low priced one but apparently a best seller.

I'm wondering if anyone has had any long term experience with one?

ikea.com/gb/en/p/hoevag-pocket-sprung-mattress-firm-dark-grey-10413590/