Thought an array of the new Intel extreme 6 cores arrayed against a piece of bread could have been a contender. ?If it's Amazon then you absolutely can link it because OcUK don't sell toasters.
seriously - the Breville type ones with the two wide slots where you can lay the bread down sideways, and rotate it at half time do a good job.
You also need reasonable bread with uniform moisture content, I find that homemade bread often comes up most uniform.
Quick google also shows a couple of transparant walled toaster to put on next years xmas list eg - one up on the daft transparent kettle idea ?



I'm probably not going to bother trying the £170 machine anyway. Unless I know I can return it if it's no better than the cheaper ones. The Dualit I just bought makes good toast if you turn it over and cook it some more, but I didn't spend £80 to do that. I want to push the levers down once and have ready toast with no messing around.