Yep, - ditto what Brendan said.
For my 2c, I'd say settle for a couple of decent ep's - say Televue plossls at around $150 (ish) each rather than aim for a whole set that you'll probably never use. If you like, you can then complement them by buying a 2x barlow and get double the range. I'd recommend a 10 to 15mm and a 24mm as well as a barlow.
And, as you've noticed, the more expensive ep's definitely give better views.
Cheers
