Warning against changing your housing
I'd think carefully about changing your housing. I had a curve 9300 and I really wanted to put a white housing on it.
I bought the housing for a couple of pounds on Ebay, there are hundreds of colour options available on there.
I looked at a video on youtube how to do it & then gave the video & my phone to someone who used to be an engineer & is way better at these types of things than I am. I though it would be both fine and to be honest, easy. I also thought that if I didn't like it I could simply swap them back and put the original back on.
IN REALITY HOWEVER: the videos you see on youtube etc are often by people who have probably removed many housing cases and have developed a knack for it, because it isn't all that easy. As another user has mentioned in a previous reply, when you change the screen cover (the part that goes over the screen as well as the green & red buttons etc, there's a load of adhesive under that which can leave a mark under the new screen. We removed it very carefully but didn't realise that it's more than one layer so when we put the new screen cover on, it didn't fit in tightly and you could feel it around the trackpad.
The little piece at the bottom centre on the handset has a couple of little legs inside and this part is very hard to get off, meaning it is easy to accidentally break one of the legs, rendering it unusable. This is what happened to me & then to return it to its original state I had to buy a BB that was for damaged to get the missing part - more costs. Also if you are thinking about going white - you should know that the line with the green, red, bb symbol and back button all let the light shine through and it looks a bit cheap and nasty. Perhaps some people have been lucky doing their housing swaps, maybe I've been unlucky but seriously think about it & remember your warranty will be invalid too.