If arriving from KIX airport, you'll have to take the limousine bus to JR Namba (OCAT) which is maybe an hour drive. From the OCAT mall, take the north exit and just walk all the way to your left until you see the big SPADIO capsule hotel sign.
Pros:
1. A minute walk from a subway station (Sakuragawa)
2. 10-15 minute walk to dotonbori (which can save you a lot from transit fares)
3. Staff is nice
4. They will give you a free drinks ticket for each night you stay (stay 3 nights, you get a free drink for 3 nights)
5. Clean
6. Capsule floor has a sink station for you to wash face or brush teeth
7. Necessities provided (toothbrush, etc.)
8. Has massage services, laundry, games & tanning station
9. Good restaurant
10. Has a floor with manga books
11. Great variety of sauna and bath
12. Has an adult channel in the capsule TV
Cons:
1. The hotel has no elevator, so you'll have to carry your luggage all the way to the 2nd floor to reach the front desk
2. For people staying consecutive nights, the locker is small, so you'll have to take out all of your essential & important belongings from your luggage to the locker or suffer the consequence of having to ask the front desk to take your luggage out, since the luggage isn't allowed at the locker room and you return it to the front desk for them to keep it
3. The capsule mattress is not too comfortable so you might wake up with a hurting back
Conclusion: Take note of all the above notes and you will have an easier and less hassle stay