I've never seen any of Sony's e-ink devices live. I understand that the first ones were pretty disappointing, but I'd like to try the CP1. I have tried the Boox Note 2, which is actually a decent Android tablet, and the tactile feeling of writing is much better than on iPads, but still far below the rM.
One marker nib lasts me about 10 weeks, but it seems to be very individual. Some people can write hundreds of pages on a single nib, others need a new one weekly. In any case, I wouldn't say nibs wearing out is a major concern. It would be nice if they didn't wear out, of course, but the design of the nibs seem to be crucial for giving that excellent writing feeling.
And yes, these devices are expensive. I'm in the EU myself, and some 400€ is rather steep for upgrading the rM to rM2.
One marker nib lasts me about 10 weeks, but it seems to be very individual. Some people can write hundreds of pages on a single nib, others need a new one weekly. In any case, I wouldn't say nibs wearing out is a major concern. It would be nice if they didn't wear out, of course, but the design of the nibs seem to be crucial for giving that excellent writing feeling.
And yes, these devices are expensive. I'm in the EU myself, and some 400€ is rather steep for upgrading the rM to rM2.