Yes, when I bought the Ribtec this about time last year, the bow was by far the worst area as you can see from the photos in that thread quoted above. Having done various searches on here and asked questions, tube paint seemed to be mainly hated and only used as a last ditch resort. Several members had had recover work done successfully to prolong the life of the existing tubes, at a fraction of the cost of a full retube.
Given only the tube tops were worn, by a combination of rope and sun, and they remained inflated fully, it seemed a shame to replace the entire tubes, especially as I wanted to try it for a bit to see how much use I got out of the RIB.
I had the bow professionally recovered a year ago with the same spec/colour fabric as the tubes, and so far it's been brilliant. No issues at all.
And then last month, Rodella Ribs put a series of wear patches on for me, including some large (1.5m x 0.6m) at the stern, to cover the bad areas down the length of the tubes. Those pics are here: Max size for a wear patch?
I'm very happy with both of these sets of patches - they should give me a few more years use at minimal cost. And if I decide I do want to keep the RIB long term, I'll look at a retube then.