It took me a while to convert from technics to KORG, but it was worth the time and effort ... now I find the KORG OS very easy to navigate ...
And you can get a lot of help from people here and on the KORG forums ...
http://www.korgforums.com/forum/phpBB2/viewforum.php?f=75&sid=4edc76b4fea42f3028213cc4426f5abe

BTW ... I'm a NIKON guy myself ... NIKON FE2 SLR to NIKON D3300 DSLR ...