and just vacuum seals all his food on sunday then takes 2 minutes of effort to actually cook it later on for dinner each night. it sounds so simple and effortless.
So, sous vide at home is pretty new. The Anova is the most common device. I have the Bluetooth model & a Wifi model is coming out (or maybe already out, according to Amazon), but I don't use any of that stuff because most recipes are so simple you don't need to - just set the temp on the device & set a timer on your phone. It is fairly easy to use, but there are a few things you should know:
1. It takes planning ahead. I think my average cook takes maybe 2 hours. The nice thing is, once you get a recipe down, it's more or less the same every time (give or take a few minutes depending on the exact cut of meat or quantity of veggies or whatever), so you can time the sides & stuff pretty easily.
2. You'll want three accessories:
a) You'll need a food-safe tub, filled with water, plus the sous vide machine of your choice (Anova is the most popular).
b) You'll also need a vacuum-seal system (FoodSaver is the best consumer system, just buy commercial bags for less money on eBay), although there are some tricks to using Ziploc bags that work just fine. I have a FoodSaver & I mostly use Ziplocs out of convenience. Sous vide is not a good system if you have a fear of plastics & food.
c) You'll also want a way to sear food...Searzall is cool (basically a food blowtorch), Baking Steel is nice (albeit price), but I've found that a simple, cheap cast-iron pan works great (especially for steak). I have all three & use all three (just used the Searzall for melting cheese on my chili dogs, so awesome), but a simple Lodge skillet is mostly what I use. $10 or $15 at Cabella's if you have one near you, or $30 or so on Amazon (plus they are good for cooking other stuff, and literally last forever).
3. The food quality is different. It requires a lot of experimentation to find out what you like. For example, you can cook a steak ultra-soft, but it comes out gray & weird on the outside, so you have to sear it. But because it's so juicy, you get a very minimal crust because it's so wet still, so you don't get a nice thick crust like you do with the regular method of cooking it. With chicken, it's SO moist that I've had a really hard time getting any kind of crust on it. But it's ridiculously tender & way more difficult to dry out than traditional methods of cooking chicken.
I used my Anova a lot when I first got it, not as much anymore. When I'm in an experimental mood, I'll dig up a new recipe to try. I use my other devices a lot more, like my Instant Pot electric pressure cooker. So one thing to think about is how much you'll use it, given that the Anova is $175 to $200, given that it can take several hours to cook something, you need a big tub of water, some way to seal the food in plastic, and optionally a searing method. For $120, you can get a 6-quart Instant Pot & do a lot more stuff with it. Some discussion on that here:
http://forums.anandtech.com/showthread.php?t=2442549
I'm a kitchen gadget hobbyist & have all kinds of weird stuff. I probably use the Instant Pot & my cast-iron pan the most out of anything right now. The Anova is really cool if you like to play in the kitchen, and also if you want really, really consistent results. Chicken, turkey, steak, veggies, etc. are all super-easy to do in the Anova. Lots of recipes & sous vide info on Serious Eats if you want to dig into it a big more first:
http://www.seriouseats.com/tags/sous vide