I have migrated my home directory (basically copy/pasted) from a 10.04 system to a new system running 12.04 freshly installed. An annoying thing I've noticed is that certain file selection dialogs (open/save) are not remembering their size and sort preferences. for example, in both firefox and libreoffice, whenever I go to open or save a file, the dialog box always opens in an oversize window that is beyond the bounds of my screen. As such, I have to resize it everytime in order to use the dialog box and click on the "OK" or "Cancel" buttons.
Additionally, the file listing is always sorted by modification time, so i have to tell it to sort by name each time.
Another similar thing I've noticed is that when i open certain pictures in Image Viewer, it opens them in a window that goes beyond the bounds of my screen, forcing me to resize the window before i can see the whole picture.
I'm not sure if these are application-specific settings or if it's some setting in gnome/gconf. either way, would appreciate knowing a way to reset these window preferences.