If you're looking for a high magnification EP for planetary, the 9mm in your list, you could save a few $s and get the Pentax XF in 8.5mm...the smaller apparent FOV is largely irrelevant and it's a nice piece of quality glass for under $200 from VTI. Alternatively, the ES 8.8mm 82D is another balanced EP for a lot less.
IMO the 100 degree experiences are better at lower magnification, although if you're Dob is non- tracking I can understand the inclination...
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