"There are catch up mechanics for alts, other specs, and for everyone as time passes for leveling Artifact weapons."
Source: MMO, Front Page as of this posting, specific post:
http://www.mmo-champion.com/content/...Dev-Interviews
"Thank you for having the discussion. To provide some more information, here are the honor requirements for each level. We intentionally have the initial levels with less honor so that you are able to get a PvP talent in each row very quickly (by level 10)." Source:
http://us.battle.net/wow/en/forum/topic/20742644809#6
"Prestige Levels: Reach Honor Level 50, which grants access to high-level PvP talents. Or you can turn in your Honor Level to gain a prestige level for rewards (titles, artifact appearance, mount, pet)", so that at any point in time, even experienced and older characters might be re-grinding their honor talents to reach higher prestige levels. Source:
http://www.wowhead.com/news=251616/l...nt-preview-mar
"Gear can still improve your character in PvP, but as an example, a 25 item level difference will result in a 2.5% difference, not a 25% difference."
Source:
http://www.wowhead.com/news=251616/l...nt-preview-mar