Hey rob,
How important is the HDD cage to you, like how many HDDs do you use?
have you thought abount bunjee modding your drive bays to support your hard drives?
I mean, iv never had a single hard drive screwed into anything for around 5 years now, or more actually. I started off bunjee modding everything, even my televisions external USB hdd is suspended by some thick elastic like boxer shorts eleastic behind my tv so that it doesn't vibrate, even done the same inside my sky HD box, just to reduce noise of hard drives.
Though hard drives have got A lot lot lot better over the past few years, bunjee modding them makes them 100% silent.
And the 350D is one of the best cases there is available