It must be getting on for 10 years since I last encountered Illustra, I remember it was on a training course relating to database-backed websites way before content management systems had become the commoditised items they are today.

It had one (at least one) stand out 'Wow' feature that I've yet to see since - the ability to search for images that look like a supplied example. If I remember correctly, it was all down to a plug-in search module called 'Imageblade'.

OK, it wasn't perfect (upload an example picture of a frog, get back lots of pictures of frogs and one picture of a Porsche 911, for instance) but it was an exceptionally useful idea.

I certainly could have done with it today. Having done some mockups a while ago for a client using low-res images I found ...