Pinac, as a proud owner and user of the 25 x 100's, I feel that I should at least say something. First, ed models will cost alot more. However, if you have the funds, I say go-for-it.
As for going from the 25 x 100's to the 28 x 110's, I am contenplating exactly that at the moment,
First, the 28-power models have much better eyepieces and the apparent field are similar to using TeleVue 24-mm panoptic eyepieces. Meaning that you will be getting close, but not quite, to a 68-degree apparent field of view.
Also, from what I have read from those who made the switch, the 110's have oversized prisms. Don't quote me on this, but according to the accounts that I have read, the combination of slightly better glass in the objectives, better coatings, the better and over-sized prisms and better eyepieces will show a definite brighter image than the 25 x 100's. An image which is noticeably brighter! The guys that made the switch to the bigger models say that paying almost twice as much as the original is worth it, 10 extra mm per eye may not seem like much, but the images formed in the visual cortex of your occipatal lob does not lie.
I have loved and have been using "giant" astro binos for almost 31 years, so I believe that the experience alone that I have gives me the right to try to mentor others the best that I can.
After all,what's point of having all of this experience and not at least try to help others with their decision making to the best of my ability.
Trying to remain at least a little humble after all these years - RalphMeister
