Not sure if this has been mentioned before: If anyone is having problems with the small internal memory on the Desire, try out an app called Data2SD. You can set X amount of space on your SD card which you can use for application data. After continuously getting the 'low memory' warning, I got sick of deleting data for my apps to free up space. So far with Data2SD installed I have not received that warning, and I've set 100mb as my 'data drive'. It's working well so far with FB, Browser, Whatsapp, GMail, Maps, StumbleUpon.
https://market.android.com/details?...ch_result#?t=W251bGwsMSwyLDEsInJhcHBzZC52MSJd
The app requires root access.
Thanks man, it's something thats stopping me from using my phone to its full potential! Always having to remove apps etc.