@aesto: Actually I'm totally hyped for the pre-patch. New UI I am definitely excited for. It's like Maplestory's first "makeover/paint job" since Big Bang. Now if they could support my 1440p monitor better I'd be happy as a clam. Unless I change my computer's resolution, Maple's biggest resolution is only like 1/4 the size of my monitor. Sigh...
I thought that was obvious lol guess not. There are quite few things coming that I'm excited about tho on the 30th. the new UI change, the inventory change, and the whole stat window reconfigured, and of course the 128 inventory slots increase!
@twopointonefour: You can't access Arcane River without advancing to 5th job. Also, we'll likely get the event box drops that you can open to get Core/Node Gemstones so it probably won't be a time of no progress towards 5th, anyways.
@skythedestroyer: Oh I thought Arcane River was separate from the job advancement. My impression was that you complete the temple keepers quest and you can continue in Arcane River gaining arcane force and potentially farming gemstones for when you can advance.