
You may not like this answer but....................before I consider buying any equipment I:
1) Visit the site and check the specs. The sites usally have a comparison chart if they have equipment within the same catagory (this being the MPC line of products, Akai does).
2) I also download the manuals and at least read the start-up quick guide, as these will give you a quick run through of the equipments main and basic features. If you want more detailed info then read the real manual (in this case would be both the regular guide and reference manual on the Akai site for the 4k)
3) I would compose a list of any questions and ask the site tech support/product specialist (which is also testing the sites support in general).
4) Then I would go to any forums or Google the product, to see any user/magazine reviews, issues, genreal feedback, etc.
5) Then I would come to a forum that it dedicated to the product (like this site) and do a search and scroll through the topics to see if i find some more info. Then based on all the info I have gathered during my research on a product I am interested in obtaining, if I still am in need of any more assitance.............will I post a question in a forum (like this one).
6) Also when posting a question like " is the 4k for me?", add some info like, genre of music, working habits, equipment you already have (which you did), what you are looking to achieve by upgrading/buying a product, etc.
So let me ask you a quick question.............have you done any of the steps I have listed above? If you did then you could almost 99% of the time answer your own question. Once again not being a Richard, just giving some advice.
By the way get the 4k cause Just Blaze uses it!!!! LOL, jk!