I think that when you're trying to get sub-30, you should just keep practicing, 2 months really is a very short amount of time. I would say, give it some more time because I am pretty sure you will sub-30 easily, get a good cube as well. I think my signature may help you further as well. If you are not sub-30 in another 2-3 months, then post here again, but for now I think you should just follow the advice given already. Unless you're like me and you don't like to leave things unfinished, you should do what PandaCuber said in post #16, otherwise just finish up your OLL, but remember, full PLL is more useful then full OLL, especially if you know half of the OLL's already.
To sum everything up, I would say, finish your PLL's and OLL's first. Then, once you have those out of the way, you can start focusing on cross, and F2L and the whole "look ahead" aspect of CFOP. Remember though, get good algorithms for your OLL and PLL. Find the best one for you here. (OLL and PLL)



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...as opposed to what? Not really trying to improve? I try dammit 
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