inputs.text: 55 casual read 45 technical documents - researcher read lots technical documents containing equations often need text books handy reference chose product primarily reading technical documents choose casual read 1 good screen resolution 2 response time navigation good give 355 3 battery life awesome 55 4 plays audio files well 45 5 perfect reading pdfs docs txt files fast points consider reading books containing math physics pictures graphs since books available pdfs problems reader ought sort putting prs 900s drive 1 turning pages image based pdf takes time comparable reading hard copy say turning page takes less sec prs 900 perhaps little longer even 50mb pdf great job 2 journals content mentioned could read comfortably landscape mode 13 page available one screen journal ocred reader tears two pages increase font size medium large bad journals math tears math symbols formatting not retained 3 \\read\\ \\not browse\\ technical stuff youll feel device handy navigation menu delay focused reading device job want tell well known fact technical documents read small morsels takes time read understand cant gulped curiosity novel makes read fast whole sony prs 900 cool device hang withi take wherever go cons 1no installation support apps tweaking possible caution linux os 2why wifi browsing web not possible communicating sony website note new prs 950 comes browser not fast enough think size web page glare also theres lot discussion glare prs 900 gives reading reflection sort sitting good lightning conditions gone completely contrast ok 45 unless documents grey images wont problem reading text pdf jpg