Having had a regular Hibreak since last August, I would like to caution about the build quality: in those 8 months, the display adhesive is progressively getting off and I'm not sure how much longer this'll live...
they look exactly like the whitelabel stuff you see in the bargain bin on amazon
That's likely my next device! I have a palma 2 and a unihertz Jellystar as my main phone. Might be a good merge of the 2. Phone + e-ink to help with phone over usage.