Waste of money. I had a g15 and the lcd was buggy and the logitech software is useless. I hated the way the keys felt, and the sound it made.
I am thinking of getting one of these bad boys:
http://www.deckkeyboards.com/catalog...xic_large2.jpg
It's a Deck keyboard, not much cool features but cool as hell looking and has a cool clicky key sound to it! $119