I got two eyepieces. i really like the 26mm wide angle that comes with the scope but i also wanted to have something with a high magnification so i bought a meade series 5000 14mm plossl. that eyepiece is great. the clarity is amazing. i dont have a lot of experience with this so i couldnt tell you how good it is compared to other brands or styles but i have really enjoyed it the two nights i have been able to use it since i got the scope.

as for the red dot finder, mine lasted two days and the battery is out. unfreakn belivable. i hadnt gotten a chance to align it with the scope but u use the two screws labled up (behind or infront depends which way you are looking at the finder, of the intensity dial) and theres one on the side as well. these two alan screws will allow you to adjust the alignment of the finder.

as for the collimation i didnt have to do anything to collimate the scope. it came from the factory adjusted already. ( i think, i mean im not really sure how to tell if it isnt properly collimated) i must say that i am not looking forward to the day i have to collimate it. The manual is insanely vague and not very helpful at all. the diagrams they put on there dont help all that much either.