No I haven't read 1200 - that's what I have on the nook. Certainly into 3 figures though.
Advantages over "real" books:
Lighter than most
Remembers your place in however many you have open for however long until you finish
Adjustable fonts and size
Less storage space
Fewer dead trees and logging needed
Easy switch between multiple books as your mood changes
Try packing 1000+ books on a vacation - why decide what you want to read in advance?
Access to hundreds of thousands of free books, licit or otherwise
Net access at a pinch
Can replace purchased books if lost/damaged
Disadvantages
Upfront $79 and up
That "tangible" thing (overstated IMO but subjectively common)
Cost advantage for books less than should be - in some cases paying more!
OCR scans/pdf converts sometimes scramble text
To get decent graphics/photos need to go to higher $$ readers
While charges last a while and you have plenty of warning, losing power is a possibility
Advantages for reader vs. tablet/iGadget
Cheaper
Better screen for reading
Can manage direct sunlight
Batteries last longer
Disadvantages
Can't do anything else worth much - iThing can be all-in-one, e-reader can't really (can play audio, limited games and web access but crap for all of them)
General things to remember
Kindle/nook use same display technology and newer basic versions now have very similar interface - pick based on aesthetics/store preference.
The vast majority need no extra SD card - I only got one because I got the entire Cambridge Histories on pdf - all 7GB of it (but only 139 books - the other 1000+ regular books fit comfortably on the internal 2GB). Cheap and easy if you have/want a vast library tho'.
= new reply since forum marked as read