I'm guessing it's a Dracaena marginata, looks like it might be too wet. Are there drainage holes in those pots? HTH Chris
Might be Dracaena reflexa 'Anita' (syn. Pleomele reflexa 'Anita'). There appears to be a very limited number of images of this plant on the web. Compare with these:http://www.charlie-cook.com/Photos/CC_PhotoDetails.asp?Photo_ID=798 (Server is VERY slow to respond) http://www.baumhaus.de/shop/00000098f1130d303/00000098f11384955.php (Click on image)