Even though my mini-guild's stronghold still only has one building, we've grown strangely attached to it. It may be decrepit and low level, but it's ours. The heroic encounters are easy compared to the stuff in Icewind Dale and even many of the larger ones can actually be completed by a group consisting of as few as two or three people. They are fun and sometimes even quite rewarding.
It's also given us a new goal to work towards, erecting that second building (the farm). On weekends we group up and run dailies en masse to fill the guild coffer. Surprisingly it has turned out that it's not the unique stronghold currency that's holding us back (though it does take time to accumulate enough of it) but rather the amount of different campaign currencies that you have to pay in. We just don't run that many dailies, and more importantly, on some characters we actually still need the currency to advance the campaign itself and can't really donate it to the guild instead.