I just got my Twister & I Travel a lot. Luckily the my Crane Hardware 7" Interface/HDD Case that I use for my MF3D fits it also. I removed the Case's original padding & just use the hole punched foam pad that came shipped with the Twister.
http://i25.photobucket.com/albums/c5...ps1d61bd90.jpg
http://i25.photobucket.com/albums/c5...pse47c6504.jpg
oh and here's the link for the case-
http://www.cranehardware.com/product...products_id/58