I have being developing application using android on Eclipse Helios(Windows XP). Now i want to develop it for blackberry, and for that i found the following links
http://thinkingblackberry.com/?p=260
http://us.blackberry.com/developers/javaappdev/javaupdate.jsp
Now installation ran smoothly, i can see the blackberry installed in HELP -> ABOUT option in Eclipse. but when i started Eclipse i cannot see the option's for blackberry.
Go to Window->Open Perspective->BlackBerry Application Development
There you have it.