I am completely new to any product of apple so i am a bit afraid in buying my first ipad more so coz as of now no jailbreak is available.. here are a few questions n i will be very thankfull to anybody who answers them! the warranty we get is it international one? that is if i buy from USA wil it be valid in INDIA?? can it open PDF (as large as upto 200mb size), CHM, DOC, TXT, excel sheet, power point, epub? if not then wat softwares will be needed to open them? can it edit (by editing i mean underlining text or highlighting text or making new bookmarks) any of the above formats specially CHM, PDF & Epub? can it open .mkv and .avi format video?? if not then what software will be needed? can its touchscreen be operated with a stylus or any other inanimate object? i think ibooks can open epub format files.. then which software can be used to convert other files to epub format? can u suggest a good converter? is it possible to edit pics (ex my scaned notes)? if not then is there any software for it? I am sorry if i hav repeated any question which has already been answerd in the forum... thank you..