I'm another person who can recommend Teamviewer... lots of support options, on the supportee's end there's a quick support (no install) version, and a full install which can be accessed at the Windows login screen. On the supporter's side there's also lots of options, including an IM type client manager and you can also log into their website and use a Flash version of the software which has most of the features and is surprisingly lag-less. It also supports rebooting into safe mode which I've mostly had success with. Your client list can be made up of either/both Teamviewer ID's (unique to a PC - what I use) or a Teamviewer account name.

This just in, without blinds your neighbours may be able to watch you undress.