Well get leveling than, it's quite easy to solo your way up to 65. Mirkwood is quite easy, but time consuming. When you get to the point where they ask you to go to Barad Guldor, than you've completed the region.
I think you know the pain of pugging, even at 41. I just hate it because I keep running into people who have never done the common instances like the Great Barrows Trio, or School/Library. You probably don't know what I'm talking about.. you need to get to Eregion first.
I've been watching too much Netflix and not enough games. I just watched every season of the Twilight Zone, Stargate Universe (second season), and Claymore (check my review in the movie section if your interested, it's un-revealing). I've been trying to get people together in LOTRO so I can do my daily instance runs. I hate HATE pugging all of my fellowships.
They should approriately put Isengard at 7-10 bucks instead of 30. In TP, that's how much a region is. It might be new, but even the new region of Endweith is at that price currently. Who's to say they won't revoke your status for the new region until you've payed for it in TP. They did that to me once they started all of this TP business. I had to pay for regions that I paid for already when I bought Mines of Moria and Shadow of Angmar. Complete bull.
I saw that, unfortunately I bought all the regions (except forchel) with TP. If they could refund me those TP when I get this, I would definitely do this.
I work on my legendary weapon business, the dailys within the regions (including instances and the new helengrod instances), farm deeds to accumulate TP, and most importantly my crafting.
SM Scholar
SArtisan Forester + Prospector
GMaster Tailor
SM Cook
Instances have been transformed into skrimach-like play ever since F2P came out so you won't find it all that much different. Being a vet in skrimiachs as you say you are, you will have no problem doing the instances, other than the rift. Just know that at the end of the line at 65, the game is far from over, it's only the beginning of a whole new game for you. You'll experience it for yourself soon enough I'm sure.