Is this gylph worth it for pvp? Seems like it would probably be better to keep Hunter's Mark on your bars incase you can catch a rogue/feral in stealth.. but I find more often then not I just forget to put it up on a target or when target swapping just completely forget about it.
What do you guys think? Do you use this glyph as far as pvp goes or skip out on it for something else a little bit more useful?
Depends on what kind of pvp you're doing, in 3s you have to swap glyphs to cater for the enemy comp all the time. Since now healer dispels dispel all dispellable debuffs, and if you have to target switching heavily to get a kill, then yes for the damage increase.
The utility glyphs are nice as well, so it's really up to you whether you want the 5% damage trading off utility.