What about the Pentax XW 5mm? It has a great balance of qualities including good eye relief. The XWs are also fine planetary eyepieces, which is a bonus. Alas, the plummeting exchange rate has made it a more expensive proposition, albeit still cheaper than a Nagler (US $360 at Optcorp).
A cheaper alternative, with similar eye relief but slightly narrower field of view, is the Vixen LVW 5mm.
Having made those suggestions, I take Andy's point. It is at the high end of useable magnification for your scope. You'd probably find a 10mm XW more useful (120x with a 1.7mm exit pupil).
Last edited by PhilW; 04-12-2008 at 03:30 PM.
Reason: second Andy's comments
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