1080 for sure, that's in the name.  They're all the same thing folks, and I'll be darned if I can find any formal video specification referencing any of them, so they share that too.  Is it all just marketing BS?  No, but surely the confusion has been leveraged by some DCCTV manufacturers, resellers, and the like to their benefit.

There's finally some content out using the latest and greatest HD standard, but I certainly won't be running to the store to replace my 1080i HDTV anytime soon. If you're a video "geek" like myself or have just been following the evolution of HDTV, you know that the PS3, Blu-ray, and 2nd generation HD-DVD will support 1080p. If you haven't been following this evolution, after reading this (and the CNET article linked below) you'll be able to tell the sales guy at your local electronics store to go annoy someone else while you browse for your next HDTV.

Picture quality is determined by a multitude of factors and believe it or not resolution isn't necessarily the most important factor when we talk about 720p, 1080i or 1080p capable HDTVs. Sure, it ranks right up there, but contrast ratio, color saturation, and color accuracy do as well. For more detailed information on the HDTV standards and resolution, check out this excellent CNET article from David Katzmaier. The fact of the matter is that difference in picture quality between 1080i and 1080p will not be noticeable to the average viewer.