Yeah, the T710 is my primary server, it's fully virtualised as it's running VMware ESX and there are about 10 virtual machines running on it at the moment, a mixture of Windows Server and Linux builds. It needs some more drives though then I can retire the D-Link NAS once and for all. I mainly use it for testing and personal training as I need to keep well up to date with the Dell server management tools and different virtualisation platforms/management for work reasons (there is nothing better than actually using software for learning). The really sad thing is that I will probably end up with quite a few more servers running at home before the year ends, I just need board out the loft and make some room first...
The Latitude XT2 tablet is quite cool although I really have found very few reasons to use it apart from presentations, it really comes into it's own when used with Powerpoint 2010 and multiple wireless projectors. As for the whole touchscreen interface, it's great but the novelty wears off quite quickly and you end up rotating the screen and using it like a laptop most of the time, this is one of the reasons I won't be buying an iPad.
I should point out that the reason I have most of this stuff is because of my job, I'm not some sort of uber-hacker!