Hi Tim,
If I were you I would definitely consider the GSO 2" ED Barlow (it comes with 1.25" adapter so can be used with all your oculars).( OK its a little more glass, but not that you would notice). The beauty of the barlow is that it affords you more generous eye relief than would a single eyepiece of equivalent focal length,and at the same time effectively doubles your eyepiece collection.
Stephen.
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