I'd agree with that, it has a slightly oily feel to it, but it's a good spf. I had dry skin so it did no harm to my skin at all. only the price would prevent me using it all the time. I use oil of olay spf15 now.
I have used it in the past. Its slightly tinted - so you can get away without foundation.
I liked it - however I wasn't sure I could wear moisturiser on underneath it (in case it stopped the spf being as effective) - so sometimes my skin got a bit dry. Then I'd just up the thickness of my night cream.
Yup recently got it as I too am prone to sun pigmentation. Not greasy at all and I use it over serum and a moisturiser followed by usual makeup. Would recommend. Think £15 is quite good given that Clarins have just launched one for £25-£30. You need very little so I expect it to last quite long.
I've used it for a few years but only just switched to stila spf 30 oil free moisturiser after a rec on here (cheapsmells have it for only 5.99) and I LOVE it - much more than the clinique. Even better for my oily skin, I use bare minerals (spf 15) on top of that and do not need much at all. Interestingly my mum finds her age spots improved for using bare minerals...