I'd suggest you read Cass Turnbull's "Guide to Pruning"- it is a great "guide by your side" support for all things shrub-like, including transplanting and planning for plants' ultimate sizes. She has a Pacific NW frame of reference and it is a humorous and great read! I know I sound like her publisher or mother or something, but no, a neighbor loaned me her copy and I had to order my own; it is that good!

I'd also suggest you sell me that great bench!

Thanks for the great book suggestion. Yes, I've read her book 2x & have printouts from her website. It helped me shape our double snowball bushes into tree form a few years back & then we moved them where they would have more room and gave them better soil. They've thrived & are still my husband's favorite even encased in ice from a storm. Waiting for Japanese maples to grow up a bit more.

I have removed just the dead wood & stubs today and that helped me see more potential. At least we won't get wounded by the sharp points of them when transplanting. I was surprised at how much dead wood there was inside them when I got down inside like Cass suggests. The twisting skinny branches aren't pretty & there were a lot that died as a result of not being hardened off after pruning last year.

The worst are on the left side next to the driveway and you can't tell unless you look closely that there are 3 growing altogether at 20 feet tall. You can't see it, but there is another David's Viburnum shooting up from the 3 stumps cut flush to the ground even closer to the driveway. The stumps are 4" wide & probably planted at the same time as the one next to the front porch.

My hubby moved my pink chair over there this week, so I enjoyed a rest in the sunshine today while the texture was drying inside on the walls. A chair always makes a garden more pleasant.
{{gwi:394535}}From 2013-05-03

The form is gone on the tallest rhodies as they grew out seeking more light and the malpruning the past 4 years. There are 2 more that have broke buds lower down that will be fine if moved away from the house. I hope that the 3 that are still shaped nicely will transplant well for us whether we get them moved before bloom or not.

The smallest one on the far right next to the driveway opened in bright rose pink today -- my color! It's still too close to the driveway for for passengers to get out, so if it's too late this spring it will be moved in the fall. {{gwi:31316}}From 2013-05-03

I've seen the same bench online through Amazon for under $100. We bought ours off Craigslist after it was used for a home staging. It's surprisingly comfortable for a metal bench.

Here is a link that might be useful: tubular steel with antique black finish with bronze highlights

Well you are ahead of the curve research-wise! I vote for moving the rhododendrons and siting shrubs so that you have some good sight lines from targeted rooms in the house as well as considering the sight (or privacy, or sun!) lines while resting on that pink chair or "my bench." Have you done some drawings (doing the "fluffy-cloud thing to show trees, etc....) with your potential plans?

I'm just a noob and don't have much to offer but I am a big fan of putting the most beautiful landscaping out away from the house, and towards the property edges, so you get to enjoy it yourself while looking out the windows. Good luck, I'm sure you'll do well and enjoy yourself in the process, too!