mrgsm021: I may to have rethink about the M8 as I just found out that even with the micro SD slot, not only does it not have a built in file manager but also it's not able to transfer files between the card and internal memory without needing to plug into a PC to do the transfer. This would be a huge inconvenience for me.
According to Nik Turner this is untrue, he was able to copy files between using ES File Explorer