> Will the issues that seem to be written in these forums be looked after?

Of course. Submitting reports to http://bugs.maemo.org with as much details as possible (including the upgrade itself) will help figuring out the issues.

Many of the problems reported are not easy to reproduce and might be linked to specific configurations / applications installed. I can only recommend what thoughtfix and others are saying: if you are having problems make a fresh install and play with the device to see if you get the same issues.