One area that no-one seems to have mentioned is voluntary transcribing. As far as I'm concerned the high water mark on this, and the service that other volunteer transcription projects should be looking to emulate in coverage and accuracy, is FreeBMD, but it's not the only one. Volunteer transcribing is not incompatible with pay sites (or a market-driven ethos in general), either: there are several useful collections on Ancestry now that were transcribed by members, most notably from my perspective as a user and transcriber, the England and Wales Criminal Registers. IME the volunteer-transcribed collections on Ancestry are more accurately done than the mass commercial undertakings that were the 1841-71 and 1891-1911 censuses, just as FreeBMD is more accurate than the 20th century indexes on Ancestry.
I'd like to see more PRs online too, and a concerted effort to digitise records from overseas that are of interest to UK citizens and historians and which are in danger of being lost through neglect. Ireland would be a fruitful place to start on this, as there's lots of interest in Irish genealogy but very little information available online, especially for Catholic ancestors. Also, having seen Rupert Penry-Jones on WDYTYA last night, what about all those parish registers going back to East India Co. days that are mouldering away in India? The mice had providentially stopped just where RPJ's ancestors' marriage information was recorded -- one extra line of nibbling and he'd have been none the wiser!
I don't know what some people have against Ancestry (and to a lesser extent the other pay sites). While the State has a duty to protect our heritage and to allow us reasonable free access to records, there's nothing to say it must pay to deliver them to our home PCs. Transcribing, indexing, scanning, hosting and administering online collections the size of the UK censuses or BMD indexes is a huge undertaking that takes a lot of resources. Not only are there pressing arguments that these resources might be better spent on more essential services in these straitened times, but also we must remember that we are a minority, albeit a reasonably large one, in the total population. Not everyone feels the burning desire to know where their ggg grandfather lived every 10 years, and they'd struggle to accept that they should pay for our ease of access to such information when they need a new kidney or whatever. As I say -- there's a difference between providing access (which is what the CROs, Kew, the BL etc. do), which should be free, and providing value-added services such as indexing, transcription, delivery to one's home and so on, which I think it only reasonable we should pay for.