Welcome to MobileRead, Petter!
For the last year the only e-ink displays that PVI (the only folks who make e-ink displays) have been making are the newer "Vizplex" displays, a generation newer than the ones that were on the old Librie.
The display that was in the iLiad up until PVI switched over was the same display as what was in the Librie, the size was bigger, obviously, and the controller was more capable, but the basic display was the same.
The iLiads they're selling now should be noticably better contrast than your Librie. If you're somewhere that you can get access to a Sony Reader (
not the 500 model, it was still the older type) or a Cybook, have a look at one of those to get an idea of the difference -- they also use Vizplex displays.
Good luck!