I am currently looking at some AKs. There are many different kinds like Semi-auto RPK, M74, Dragonov, Yugo AK, Krinkov, and just the standard AK-47. I want accuracy, affordability, and customablity. Which AK would meet those atributes or which AK is the all round best!?

Well, you kind of run the gamut there.
Accuracy? I wouldn't call any AK platform a tack driver, but a longer barrelled rifle (RPK, Dragonov) is likely be 'more accurate' than a standard length AK rifle (or a krink).
Affordability? Are you looking to buy or build? You can buy a standard rifle now cheaper than you can build. If you build, don't forget the cost of tooling - it adds up quick.
Customizing? What are looking to do? AK's are less customizable than an AR platform, but there's plenty you can do to it to suite your taste.
You left a whole lot of open ended questions. A lot of reading a google searching is in your future young Jedi.

Don't want to throw a wrench in Ker-Pow's fine response (it really did spell it out) but my Yugo M92 actually does a pretty good job given my AR a run for it's money. Granted, it is chambered in 5.56x45 and has a heavy 1 in 7 twist and was never fired (still had milling burs when I got the kit) it keeps the groups within 1 MOA. To find a similar kit right now (short of talking to Ivan and having him send you one bypassing the current import obstacle) isn't very likely. The AK is more traditional in that it doesn't fit the lego stereo type that the AR does. There is some flexibility in the AK system, but no like many more recent firearms (ie AR, HK, Sig). Read the tacked stuff and ask more direct questions (also like what Ker-Pow said) and you will get all the answers you need to start building yours.

Originally Posted By LIRMF:
I am currently looking at some AKs. There are many different kinds like Semi-auto RPK, M74, Dragonov, Yugo AK, Krinkov, and just the standard AK-47. I want accuracy, affordability, and customablity. Which AK would meet those atributes or which AK is the all round best!?

For the money here is the best, most accurate AK out right now.IMHO
http://www.atlanticfirearms.com/storeproduct911.aspx
And the ammo is cheap too.
http://www.usarmorycorps.com/index.php?page=shop.product_details&category_id=34&flypage=flypage.tpl&product_id=65&option=com_virtuemart&Itemid=53&vmcchk=1&Itemid=53
Feed it, keep it clean, & it will love you for ever.