List on the 150 is $489.99 which is pretty rich for a weekend warrior! I do like the ultralight idea, but the one in my price range is the Echo 271T at $299 and 6.6# PHO.
Just for size and balance comparison, here's a video of (L to R) an Echo 355T, Echo 271T, Stihl 201T, Stihl 150T, and Dolmar...