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From what i have read in the 40k universe the bulk of the chaos forces fighting is done actually by traitor IG, usually from an uprising instigated by some daemon, or Chaos space marine leader, or some Psyker. Is there any rules out to field an army that reflects this? with the bulk of the infantry being traitor guardsmen, and maybe talking elites and hq as chaos marines and daemons?

Currently, not to my knowledge though I have an inkling Codex: Eye of Terror had something along these lines.

That said I'm pretty sure that's majorly outdated at this point, your best hope is that the second of the two rumoured Chaos codex's that are due out (the one that isnt legions) might contain rules for a mixed force.

Theres the various Vrak's Lists though I do not think theres too many daemons involved

FW has the first book list for free

http://www.forgeworld.co.uk/Downloads/Product/PDF/i/IA5_RH.pdf
http://www.forgeworld.co.uk/Downloads/Product/PDF/i/IA5_RHFAQ.pdf

And I suppose theres the Tyrant's Legion but that is before the Astral Claws become chaos

Yup, kenshin is right.

Siege of Vraks part 1, just got it for xmas. The only Daemon I remeber though is if your rogue psyker get's possessed. The Ogryn slaught rule looks interesting how ever theya re still costly.

Very tempted to do a renegade Guard army