Buck Dharma (not listed) and Iommi tied for first. My taste and choice is in hard rock/metal, granting skill in other music areas though they do nothing for me. Example, give BB King a 5 star, just not my taste. But saw him live as appreciate in an type area he is best of a generation (or 2).
Heard the rest on the list and seen more than half, none close for creative influence (Iommi for metal obvious) or intricate diversity and speed if needed (Dharma). Both having unique sounds, a trait I always liked in a guitar player than many on the list lack. Having seen both more than once in the past year, both still extreme in concert. And in any technical/skill based player poll I've ever seen compiled by players or fellow musicians.
Angus Young underappreciated by many unless seen live as his music put down as "all the same." Saw him this year, he still "has it."
Blackmore I liked better live with Rainbow than with DP, though out of the game for years. Able to play but don't a factor for me, the ancient junk he plays now is to "out" of any current music. But admit my "physical and mental" condition at both DP concerts I saw with him was probably less than stable enough to fully appreciate.
Gilmour like Iommi and Dharma, a catagory of 1 and at the NY concert of "The Wall" made me appreciate him far more than earlier concerts. Like Dharma and Iommi, he continued to advance and progress to those who can hear it.
Page live varied way to much for me, saw him from great (with LZ) to bad enough I left half way through a show (both solo and with LZ).
Dimebag seems to be a great to all after killed, didn't impress me at all live. Some on the list fine for kids who are MTV trained and bred only, such as Slash. Wylde the most repeating and zero diversity person on the list I saw live. Must work cheap as only reason I can guess he's played with Ozzy so long.
3 missing from my Top 10 based on hearing, technical appreciation, and seeing live:
Phil Campbell. Just saw a mixed DVD yesterday of Brian May talking about him and how difficult is was trying to keep up and play beside him what most call "simple" music. Saw him last year with Priest and Heaven and Hell, still smile thinking about it.
Chris Olivia. Live blew most on the list away though sadly he's gone. Proof of ability obvious to fans of the band, and can be heard now on "Ghost in the Ruins" that thank God was saved. Attended 1 of the shows on the CD, one of the 3 best concerts I've ever been to. Wish quality video survived.
Also Ronnie Montrose, liking his earlier stuff better though his skills obvious even with his later material outside my taste. His debut with Sammy (much as I hate him) on any Top 20 all time Hard Rock CD list.
But I'll listen to ANYONE on the choices list before I'll put up with 10 seconds of Rap noise. Rather stick a nail in my ear.