Fresh 80th warlock, need help with spec on beginning

Sup guys, yesterday I decide to boost my warlock to 80th, and now I have issue, which spec I should use at the beginning ? I thought about demo but then read few topics and as I understood demo need good gear, affli also need preraid, so destro?
Please give me some tips :)
Thank in advance :)

For RDF spam, anything goes.

When you want raid spots, Demonology is recommended as its raid buff is considerable. As an alt spec, as you only want 1 Demonology Warlock per raid, Affliction is recommended.