I have refrained from playing back a blow by blow account of what is going on.
Pulse8 are progressing the issue with TTB, but only on the basis of my TTB speed test results having dropped by 10Mbps. TTB are really reluctant to take the TBB speedtest results into consideration.
Progress is really slow though and my thoughts are moving more in the direction of migrating away. I'm going to rule out A&A on the grounds of cost but Aquiss, IDNet, Uno and Zen are all under consideration.
Coming off TTB MPF onto BTW isn't cheap, but Zen and Aquiss offer the most cost effective route back.
Zen will cost £30 migration fee, but provide a ZyXel 1312 for a delivery charge. I'm hardly likely to use in in place of my VMG-8924, but possibly useful to have a back up router to jump past one of the hurdles when trying to log faults. Zen have confirmed that I would be on their LLU network rather than on BTW.
Aquiss have a three months fibre free offer on until the end of the month, which would cover the migration costs.
IDNet and Uno are not cheap options to migrate to just to prove a point so see them as less preferable from a cost perspective, however both Zen and Aquiss have had some history of single thread slow downs in the not too distant past, so they may be better long term bets.
I would welcome your thoughts on the above choices and indeed whether you think I would be foolish to jump from Pulse8 for the sake of a single thread speed that is roughly half what might be expected (see
http://www.thinkbroadband.com/speedtest/results.html?id=148710995603882520677 ) when all my line parameters look good.
Any TTB speed test results or BQM graphs for fibre connections on any of the above would be much appreciated.