crofter:
Hasn't that Dell one been having major problems though with blurring whilst gaming and watching movies - or is it another Dell boy model??
Yes and no!

The latest version (and last) of the Dell 2407 is the 2407WFP-HC (high colour gamut).
This is the one with all the problems and ghosting issues,caused,from memory,by an overly aggressive overdrive unit.There are many forums and youtube vids about to see the problem in action and i would suggest avoiding that one myself if you are susceptible to noticing these things.That's why,in the end,i went for the latest revision of the none-HC model with the A04 firmware.The only real difference between the A04 and the newer HC version is that the A04 has a lower colour gamut compared to the 92% of the HC version.In reality,unless you do loads of photo editing and critical graphics work then you're not going to notice the difference.
Anyway,back on topic....having posted the link to the OC forums i too noticed that they had had "contamination issues" with this monitor.When considering purchasing one,the thought had already crossed my mind that the superior VA panels had been substituted with inferior TN panels as quite a few people had complained about poor viewing angles.When another poster said that their screen had a glossy coating that really set alarm bells off.
It does now seem that they have sorted out the inferior screens and are,as you say,selling them off on a separete section of the site at a cheaper price.As for the original screen the Op is talking about,gut instinct would tell me not to purchase but as i said in my last post it's really an individual choice after weighing up all the pros and cons,specifically for me,build quality.