Thanks! TDP sounds great, is the only way to see TDP through some trek?
It's possible to enjoy TDP without subjecting yourself to dorms and camping. You can stay in a hotel inside the park (Hotel Las Torres, for example) and do some day hikes, to the namesake towers (a strenuous hike) and Mirador Cuernos, for example -- the 2 most photographed scenes in the park. You'll see some magnificent views if the weather cooperates, which is always a gamble in southern Patagonia.
Hiking the W puts you more in touch with the awesome nature that TDP is famous for, but you can still see a fair amount with day hikes (combined with bus and boats) from a hotel, if you plan well.
Think of it like the Grand Canyon: where accessible by car, the views can be spectacular. The more you want to see, the more walking required. Some of the gems are only accessible by hiking and camping.
SO dislikes camping and/or listening to others snore in bunk bed sleeping arrangements (and I'm not particularly fond of it either).
I have to be ready for this every time I sleep on a plane, so I always have world-class earplugs and eye mask
I see several nice hotels on Tripadvisor but I can't figure out if they are part of the W or not.
The W and the roads/hotels never meets. The closest hotel to the W would be Hotel Las Torres, which is about a 10 min walk to the W. Otherwise the W and the roads (where all hotels are) are separated by lakes.
Unfortunately I am on an academic schedule so I only get time off June-August and 2 weeks over Xmas, which may not be enough for such a long haul trip. Which sucks for being in the points game so we have to plan way in advance. Some reviews say winter is quite nice as no crowds and no wind in spite of cold.
It's a toss up. I would just read lots of trip reports from both seasons and see which one your heart leans towards.
Having said that, you might want to consider Fitz Roy as an alternative to TDP (in the same region but on the Argentina side). FR is better suited for day hikes and comfort, while TDP is better for serious hiking (though as mentioned, it's possible to get around it). And the consensus seems to be FR has the better sunrise. See this article for a comparison:
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https://beachesandbackpacks.com/2015/01/06/trekking-in-patagonia-el-chalten-vs-torres-del-paine/