As an update....
After a few weeks of using my phone in tethering mode, due to family (i.e. kids) pressure, signed up for HKT Premier broadband last week. Called 1000, told they could not help me as I was to be a HKT Premier customer and that HKT Premier would call back. They called back over a day later. Bit my lip & took the 8Mb/s option at an installation cost of $980 and a 24 month contract at $398/month. (as an aside, most stupid question (of many): Do you spell your surname on your credit card the same as on your ID ?)
Told me they would arrive between 10 and 1 a week later, he promptly rolled up at 2pm. Took about 10 mins for the install. Installed a discoloured 2nd hand modem (really feeing like a Premier customer now...). To be fair he was good & helped me get my Apple Time Capsule hooked up with the PPoE configuration. We did speed tests together after the install, download about 6-7 Mb/s, upload a paltry 500-600 Kb/s. All he could do was chuckle apologetically & state that it was '90's type speeds. He was quite shocked when he heard that I am paying $400/month for this. He told me he is paying just over half that amount for 10x speeds.
In any case, for others considering this 8Mb/s option - DONT !!. 6.5Mb/s is really poor (kids already complaining !) and the upload makes large e-mails almost un-sendable. After 3 hours, I'm already resorting to tethering my phone if I need fast upload or download, my 4G/LTE reception is poor but even over 3G, it's a lot better then this PCCW line.
How maddeningly frustrating !.