My friend JD uploaded a Vmware image of Ubuntu 11.04 Alpha 1 so am sharing it here :

Attributes : 

64 bits 

Gnome desktop

VMWare Image

Compressed size : 832 mb 

Actual size : 3.25 gb 

RAR compression in best mode (took about 20 mins to compress)

Fresh installation

USERNAME: user
PASSWORD: password

Ram 1GB

All other settings default

Installation with easy install, including vmware toolsBuilt on Vmware Workstation Windows 7.1.2 build-301548No software updates done.