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Hey Tim,
Are Televue eyepieces great? Absolutely!
Is each single Televue eyepiece the best option out there for you specifically? Most likely not...
Assuming this is your first telescope, I would suggest you buy second hand Televue eyepieces as they have great resell value. I'd be cautious with "Buy once, cry once" as for it to work, you need to be familiar with what eye relief, exit pupil and fov suit not only your telescope but especially your eyes.
That is before getting into what your observing preferences are and your sky conditions (e.g. darkness, seeing, transparency).
As an example, I feel that with my 16" dob, 12-13mm eyepieces give me great outcomes on galaxies. This shouldn't be the sweet spot as people recommend a 2 exit pupil which would be my 9mm Nagler. Yet, my sky conditions and eyes combination means that 2.6 exit pupil works better for me than 2.
I bet that the outcome would be different if I observed with my left eye instead.
All I'm trying to say is make sure you allow for mistakes because they're likely to happen. Ed Ting loves his 24-27mm panoptics but a huge amount of equally as experienced observers prefer a 31mm Nagler, 30mm APM UFF or other.
What I've learnt over the last couple of years is that eyepieces are a very personal thing.
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