Yeah - your "tip" changed the resolution for everything (not only the login screen!) but that was promptly fixed. :-D
Thanks for the hint with startupmanager - everything is looking fine now. I even copied over some fonts from Vista and changed various settings both in the system and some apps (e.g. Firefox) so Linux Mint looks even closer to it now (I hope this isn't blasphemy :-D). That's not to say I don't like the default Mint/Elyssa theme which I'm running unmodified except for the fonts - it's awesome and I'm not much of a wallpaper switcher (I used the standard Areo theme in Vista for ~half a year and then switched to this one
because it cheers me up every time I look at it :-D). I always disliked the font choice in most Linux distros, though, but that might be just a matter of getting used to them and I know that Microsoft fonts (and other similar looking fonts) are usually commercial and can't be bundled with GPL-ed OS-es.
The only issue that remains now is getting my microphone to work either through Pulseaudio or ALSA but I'll post a separate thread in the hardware forum like 67GTA suggested.
I wonder if there's a possibility to configure a non-password prompt (in graphical mode) for sudo... I mean, like UAC in Vista - of course I have UAC turned off there but I'd rather turn it on in Linux to know when I'm entering root-mode and can potentially mess something up and I don't want to enter my password (which is quite long and complicated) when the sudo session expires. I set NOPASSWD in sudoers but that's not a very elegant solution (although I have no problems in running an administrator account on Vista all the time - maybe because I'm more aware of all the potential risks and vulnerabilities).
BTW - Where and how can I request something to be added/updated in the Mint (or Ubuntu for that matter) repository? I realized that e.g. Carrier (formerly Funpidgin, the pimped version of Pidgin) isn't available there and Pidgin-Plugins-Pack requires Pidgin to be installed (even if you compile the sources like I did). Also, The Battle of Wesnoth isn't present in the newest version and I don't want to switch to Vista for such a flagship multiplatform game. The newest version with all the campaigns is available at getdeb but then the package manager flags all the packages as "obsolete" and removes them during cleanup etc. which is annoying. =)
I spent more time in Linux than in Vista recently but that's probably because it makes next to no difference when surfing the internet, especially since I shared my Thunderbird and Firefox profiles between the OS-es and even installed the etx2 driver in Vista for greater file-copying comfort. =)
However, I'm afraid that all this might change once the novelty wears off - that's what happened to Ubunty Edgy Eft in my case... I simply have no need for Linux except for messing around with it and admiring the progress some of the distros are making or installing and configuring specialized OS-es on network devices... In the end I have bought Vista legally so the money is gone anyway, also I'm working as a video game journalist and translator and for that reason (especially the former although some tools I use for translation don't work under Linux either :-( I have to go back to Windows all the time anyway. It's kinda sad because some distros (Linux Mint for example :-D) are really becoming a viable Windows alternative, at least for some user-types... Well, at least when everything is working because even though GUI programs have popped up all over the Linux world you still have to be a guru to fix certain things and grasp many unintuitive intrinsics of the OS...
P.S. I wish that some day most software in the world would be compatible with all the major OS-es or available in different versions. Yes, I'd even like to see the kinds of MS Office (and all the games, given my profession :-D) on Linux without any Wine trickery. Then one could really choose any OS just for the OS'es sake without having to accept all the downsides and limitations that come with each alternative... Well - I'm a hopeless dreamer, especially since no Windows-oriented developer will want to waste time on ~1, maybe 2% tops, of desktop users who are used to free software anyway. :-(