The price can lower because hwen over 10 neo myths are sold the card becomes a lot cheaper, thus resellers can sell it for a lower price.
The empty place on the myth card is confirmed to be for a CIC chip.
The switch is indeed to load between two different games.
If SD support is avaible maybe ic2005 will sell a kit that has the neo2/3-sd instead of the neo2-lite card. Not sure about this one.
My speeds where about 1/3th quicker. About 10 minutes for a full format (wich is recommended to do once to help against bad blocks). And little under 5 minuts for a 256Mbit game (majora's mask).
In this thread you can find the savetype for some games:
http://www.neoflash.com/forum/index.php/topic,5901.0.html I hope it helps.
But it's a good review in my opinion.