Matrix Ultra Independent Biceps Curl is a good piece of commercial piece. The two things I didn't love about this is that it is pretty pricey for a home gym and at the bottom of the movement it bottoms out not allowing you to get a full stretch.

Matrix Aura Abdominal Crunch is good piece of commercial equipment and I think it works well but it would pretty expensive for a home gym.

MB SlingShot Reactive (Blue) Sling Shot is a really cool item to assist in the bench press in the bottom of the movement and also helps keep your elbows in the correct position.

Matrix Aura Tricep Press is a great commercial machine that makes teicep PRESSDOWNS easy to setup but I think the weight stack could be a little more.

Amazon Blulu Aluminum Double Swivel LAT Pull Down Bar is an awesome cable attachment that opens up a ton of different exercises like the basic ones and also things like hip thrusts and lat pullovers.

Hammer Strength Plate Loaded Seated Biceps is an okay machine but when i used it i could not get a full stretch on the biceps. There is no way to adjust it to get a better stretch.

Hammer Strength Plate-Loaded Linear Leg Press is an amazing and awesome leg press. It is a very high end piece of equipment and will be found in commercial gyms.

Amazon Barbell Squat Pad is great for Barbell squats and hip thrusts.