I spent a few years of my youth testing planes and came up with two which are the best.
First, you have a dart, a more basic variation of that one you pointed out. It is the one where you make two folds and then fold over. Very simple and quick to make, and very fast and stable. (this design, but I fold right to the point: http://www.amazingpaperairplanes.com/Basic_Dart.html).
Then there was the stunt plane, which I found was recently the world record plane. This guys plane is a better version of the one I made. Mine was the same shape and weighting, but with different folds so the front wasn't held together. Anyhow, the following plane is IMHO the best in the world: http://howto.wired.com/wiki/Fold_Your_Own_Sky_King_Paper_Airplane
I have switched to Chrome and am happy with seamless updates.
Really, what advantages do you have with using an old, outdated version? Smaller memory footprint, well, are you actually low on memory? RAM is cheap. You already said that version 3.X is slower than modern builds.
The only suggestion I have is live with the new version progression, stop being concerned with it and live with what the developers are doing. Either that or move to gentoo and compile you own!
Firstly, you can post questions here: http://gis.stackexchange.com/ and they will be answered. It seems to be a pretty good community, I have been posting on there for a little while.
Secondly, I don't use databases a lot, but I recommend that you do what you suggest. Make a Google Map and make a CSV for folks to download.
I have been thinking about sticking all my photos in Dropbox, but if I do, it will be inside a large trucrypt volume, so that only I can view them. This will be a very large initial upload, but then as I add more photos to the volume, only the new photos will be uploaded (as a few hundred meg difference in the TC volume).
Crappy Dropbox info is here: https://www.dropbox.com/help/28
Err.. It's Tasmania, and yes, we grow opium poppies. I have a small patch in my backyard, the processing isn't so hard but packing it into the little plastic capsules takes ages and your hands go numb.
link: http://www.launc.tased.edu.au/online/sciences/agsci/alkalo/popindus.htm
This means that the only people made happy by it's ability to block terrible shit on the interned will be those ignorant folk with kids most vulnerable!
I intend on filtering my home internet when my kids are a bit older, although I haven't looked into it, either that or ensuring the kids only access to the interned is in the family areas of the house.
If you think the system is working, ask someone who's waiting for a prompt.