@ Gary Merson/HD Guru,
Shouldn’t the title read “Don’t Buy an UPSCALING DVD Player…”? And although for most people an hdmi cable is an hdmi cable, you missed an opportunity to detail the available bandwidth with different hdmi profiles as well: http://en.wikipedia.org/wiki/Hdmi.
Lastly, having Blu-ray isn’t all about picture quality. Audio is extremely important. Dolby Digital Plus, Dolby True HD, DTS-HD and DTS-HD MA are so far advanced (and needs the cable bandwidth and A/V receiver to get it although if your current receiver can do it, similar lossless audio can be had via ANALOG at the identical bitrate) over standard Dolby Digital and DTS over toslink. Sure, getting an inexpensive Blu-ray player over an upscaling DVD is good advice, you should point out that there are additional expenses involved in doing so (HDMI 1.3 cables at a reasonable price, a proper A/V receiver that can handle at least 5.1 surround, and the increased cost of a Blu-ray disc over a standard DVD — sometimes $7-$15 more). Disc players AND the media should come down in price for mass adoption.