OK, so I decided to revisit my previous attempt before I got the Macbook Air. Using Eclipse Indigo installation, and also doing the RXTX “mod” shown in the thread (forum.sierrawireless.com/viewtop … 108&t=6264), I get to about 66% of the way to create a new project. I have checked that the toolchains are installed, but still faced with the error screen below. Suggestions?
PS. Using the mod with the Indigo installation also allows me to open up Target Management Perspective! Whoo hooo! 8) (No port are showing though… 
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Cheers,
Tyrone