I have a Matco MB8525 and a Craftsman stack with ball bearing slides. So when I outgrew my matco bottom I purchased the Cman stack to supplement the big box and hold all the tools that I did not use a lot. I soon swapped all my most common tools to the Cman and put the specialty tools in the Matco. What I did not like about the big box is the depth and size of the draws. I hated opening up that big wide top drawer every time I needed a socket. Yes with roller bearing slides the drawers move easily but you still have to get it moving and then stop it from moving again, and that goes with all the draws. I just felt that they were just too wide, deep and too heavy. Now I know it sounds like I'm just being a whiny *****, but I would rather open and close a smaller lighter drawer especially when doing it 30 or more times a day. I ended up using the big box as a base station with my computer on the top and then using the small box as a mobile work station. I Welded up a frame and installed quality casters on the Cman box as it would probably collapsed with the casters bolted just to the bottom. Most of the dealerships I worked at I only had one bay to work in. If I had my lift ******* waiting for authorization, parts or whatever I would move the mobile box to any other available bay, sometimes out in the parking lot if needed. Yup, flat rate was fun, if your not turning a wrench your not making money. God, I'm glad I'm not playing that game anymore!
Edit:
I almost forgot. The best part about smaller boxes is they are easier to transport when you get pissed off at your employer.
