Nikon has decided that they're current generation of digital SLRs will stop having support for auto focus in their old lenses, except in the higher end (and therefor out of my budget.) So I've been looking at the last generation on ebay, which is both more affordable and still has support for my two old nikor film camera lens auto focus (this is why I'm looking at nikon, so I can reuse my nice, '92 telephoto lens.) The problem is they made a firmwear change that makes a noticable difference in picture quality.

So I pose this question to digital SLR users (and to anyone who wants to take a guess at it): How often do little compression artifacts bug you in your pictures or do you never notice? Or do you just have enough enough camera that you can't notice?

If you want to see what I'm talking about, this page has a comparison between the d40 (the current generation) and the d50 (previous generation.) You can see the problem the worst in the vermouth label.

I'm just wondering if it will bug me enough that I will feel I've made a bad purchase.