Highwayman said:
While the article is a good read, I have to ask is it still accurate since this was written in 2008
If very shortly, yes it is a good read, and it is accurate for DX11 key aspects.
I posted this article because I found it rather comprehensive, structured and trustworthy, what tomshardware source is well known for. I accept your note for the date of this article, September 2008, almost 1.5 yrs, but I have also noticed that the majority of DX11 in-depth reviews were written in late 2008 or 2009, they often give credits to each other, and they look almost identical.
To compare:
Link Removed due to 404 Error was available as early as in 2008
Revealing The Power of DirectX 11 written in January 2009
...