Thank you for posting all of this usefull links
but just small note to the readers:
although this websites will help you to learn the Coptic language
but most of them teach you to pronounce the Coptic letters in the wrong way (which is used by our churchs )

we (the forum owners) recommend you to skip the "how to read" lessons
read more about this topic here
http://kame.danacbe.com/index.php?topic=2.0or u can read the arabic version here
http://kame.danacbe.com/index.php?topic=21.0