The gym at work has this machine and I can't express how much I enjoy using it every day. This thing is pretty solidly built, but I have noticed that some of the pivot points have a bit more side to side motion than I would like. The worst is probably for the squat portion of the machine, which makes it a little difficult to stay centered. This wouldn't be an issue if the machine allowed you to take a wider stance on the squat platform, but slightly larger than shoulder width apart is gonna be about the best you can do on the platform, unless you are fairly slender (I'm not - 22 shoulder width). It still takes 300lbs squats like a champ, and I feel this machine could handle twice that weight without any issues. I still prefer to use a Smith machine because of its stability, but for an all-in-one machine this is the best I've found so far.
The lat pulldown portion leaves a little to be desired in my opinion. If you face towards the machine you can use the pads next to the backrest to hold your knees/body down, but they are kind of awkwardly placed and put more pressure on the inner portion of the leg than the upper portion, plus it requires that you adjust your leg position to keep pressure on your legs. If you face away from the machine to do lat pulldowns you have to bend your knees and position your feet under the pegs to hold your butt down. The BEST thing about this portion is that the handles are free to rotate on the connecting bar, this means that you don't have to sacrifice your form like you do with many other machines of this type. Because of the ability of the handles to rotate you can always make straight movements that allow you to really isolate the muscles you are trying to work on without having to adjust your grip or arm position throughout the movement. This is worth it's weight in gold as far as I'm concerned, as I've used too many machines over the years that didn't have this feature. This station also has a cable that you can connect to the rear weight stack (the same one used to the lat pulldowns) and you can use ropes, or other cable attachments, to work on your triceps, shoulders, or even do seated cable crunches. The other part of this station is for the preacher curl. It's pretty standard, and works as it's intended to, but I don't use it all that much as I use dumbbells for my arm workouts. It does have the nice feature of having padded sides that keep your elbows from wandering out while lifting, and I do feel it's better than 95% of the curl stations out there.
This brings us to the bench station. To be honest there really isn't much that is special about this portion. You can load up far more weight on this portion than 99% of people will ever lift, and it is pretty darn solid. To be honest the real advantage here is that you can adjust your bench to be exactly where you want it, which helps you find a comfortable position faster and speeds up your workout a little. I feel that they tried to do too much with the actual bench for the machine by having the leg extension/curl attached to it, but I can understand why they did it this way to not make the bench stationary with the machine. I do like that you can rest your feet on the leg curl pads when doing a flat bench press so you can't cheat as much for more weight and can isolate the inner pectorals a bit. As far as the leg extension portion of the bench it seems like the weights are really close to your shins, so I put a 10lbs weight on first as a spacer before I load the 45lbs weights on. I'm sure it's not necessary, but I just feel better having a little bit of a spacer just in case. The Leg curl is what makes me not like this bench as much because the pin that locks the bench angle has some play in it, and when you get to the end of your rep, the bench top pops up a little and for a moment you feel like the bench is going to flip backwards. You would need to be working an obscene amount of weight for it to actually tip, if it's even possible, but it sure does spook you the first few times it happens.
Overall the construction is pretty decent, and you can do pretty much anything you can think of on this machine. The only real complains that I have about it is that the squat station could use a wider platform and some better padding as it pretty much just compresses into nothing once you break 250lbs. If 1/3 to 1/2 of the shoulder pad was a nice silicon cushion It would make it a lot more comfortable. I'm also not a fan of the fact that the knee cushions for the lat pulldown aren't adjustable up and down to allow for a more comfortable stance. For a multi-station home gym this is about as good as you can get for a freeweight system. Even with it's flaws, because I'm picky, it is still one of the best machines I've used. Official Amazon review of Body Solid SBL460P4 Freeweight Leverage Gym Package. Click for additional reviews.