I recently bought a generator/inverter (first one I have ever owned), and recently went through nearly 2 weeks without electricity / heat / hot water. So that's the perspective that I'm coming from in looking at your situation.
First off, it sounds like you are prepared in terms of:
- means for cooking your food (although, please evaluate how long you could go on your sterno supply; could you do 1 month?)
- lights (although I would suggest you look at additional things besides flashlights, such as one of these LED lanterns http://www.amazon.com/Rayovac-Sportsman-LED-Lantern-SE3DLNA/dp/B0018S4XIS
So when you say "The real issue is generating power." it makes me think -- well, let's look at what need you are trying to address with power.
You mentioned huddling under blankets, so obviously heat is a concern. I will say that, in my experience, a generator would not be able to do much for you in terms of heat. It's true that you could run an electric oil-filled radiator space heater on LOW setting via your generator, but it's not the only option. Have you considered an emergency propane heater (like this one http://www.amazon.com/Mr-Heater-MH18B-Portable-Propane/dp/B0002WRHE8/
) It can run on 1 lb bottles of propane, which you can probably store some in your condo and more in your storage space with your camping gear. I have one, and it works well. There is also the option for a kerosene heater. But bottom line, I don't think that heat is one of the main things that a generator would get you, and you can maybe address heat in some other way.
Hot water is another thing you might lose in a power outage. Again, a generator probably wouldn't be the first place to look to solve this problem either. I'm addressing this need right now post-Sandy, and so I'll be able to comment more on this once I have figured out a good solution. But ultimately, I don't think a generator is your solution to hot water either.
So what would that "power" help you with? Well, I was a generator-skeptic before, but after nearly two weeks without power I am convinced that a generator is worth having. Lights, TV/DVD player, recharging portable electronics and cell phones, computers and internet (if your connection is still working), keeping your fridge/freezer cold enough to use up your food . . . having "power" for all of these things is a big help for a long-term power outage.
Two thoughts come to mind as to what your solution might be:
1. Maybe the most practical way to address your power needs is using an inverter connected to your car battery, as Steven Harris discussed with Jack in a two-part interview back in July 2012. The basic idea is that you can use your car as a "generator" to run up to 800 watts or so (idling your engine) which is generally enough to power your fridge/freezer, lights, recharging stuff, etc. Look up those episodes and listen to them if you haven't already.
That said, having lived in a condo myself at one time, I can appreciate maybe the lack of privacy, nearby parking, or other issues with using your car with an inverter to supply your power needs. So another option that comes to mind:
2. Yamaha and Honda make some great little generator/inverters that are small, portable, quiet, and fuel efficient. I have a 2000 watt version from Yamaha (EF2000iS) but they also make a 1000 watt version:http://www.amazon.com/Yamaha-EF1000iS-4-Stroke-Generator-Compliant/dp/B002RWK9LY
If you have ANY relatively private outdoor space you can use to run this thing (patio? balcony? rooftop?) with an extension cord into your home, even for a couple hours a day, you could address some of your power needs this way.
Also, I believe Steven Harris is planning on providing an interview with Jack in December, dedicated to the idea of a battery bank. The idea, as I understand it, is that you run your generator for a few hours per day, or whatever you need it for, and while you do so you recharge a bank of large marine batteries (or something like that) and then shut down the generator and run off of the power from those batteries.
This might be exactly the best solution for you. Even if you cannot use your car as a generator due to issues with your logistical setup, and even if you cannot run a generator anywhere outside of your condo, perhaps if you acquired a battery bank and a small portable generator (like the 1000 watt Yamaha inverter) you could take your generator and your battery bank outside, drive or walk/wheel the stuff to a location (like a parking lot) where you could run your little Yamaha for a couple of hours to charge up the battery bank, then move everything back in to your condo and get your "power" from your battery bank.
The feasibility of this idea will become more clear after Jack and Steven Harris educate us, of course. I am just thinking out loud.
These are the thoughts that come to mind at the moment.