I've had both standard and Ruggedized models for my personal tents. Even though I sell them, my personal tents aren't just display only demos. I'm a true user of the tents in a wide range of conditions. For me the Ruggedized is 100% worth it. That said, I didn't have complaints about my standard Autana and my Kukenam Sky standard models. As has been mentioned, the value of a Ruggedized model has a lot to do with the type of use it's going to get and the type of conditions it will be used in. When people ask me the question when their shopping, I generally ask them those two questions and the answer becomes pretty clear to whether or not a standard model will be adequate or not. Many times, even when the standard models would do everything the customer needs, they still choose the Ruggedized for the extra durability and the upgrades.
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generally speaking, ask yourself how many times a month you intend to use the tent. If you think that realistically you'll get out once a month, a standard model might be enough. If you're going out every weekend, the heavy duty components and extra durability of the ruggedized would be welcome features.
Then, ask yourself what types of conditions you think you will be in most often. Temperature extremes? Are you a winter camper? If yes, the Ruggedized might be the best choice.
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The most noticeable sign of wear on the standard models is the aluminum tent base. It can show some wear over time. The diamond plate base of the Ruggedized will stay looking new pretty much forever.
I'm happy to help answer other questions if you have them too. Thanks to the rest of you for commenting! It's always good to hear from users.