Yes, ACs are easier to clean than HOT Magnums, but...
ACs make more splashing noise, and they don't fit over the rims of some larger tanks. IMO, they (vs. Magnums) are somewhat less capable of mechanical filtration.
HOT Magnums come with micron cartridges that can be used for water polishing (or run 24/7. Just buy a spare cartridge). Alternatively, you can run Magnum as a regular filter (with the above mentioned sleeve and container). And the container (although it's small) can be filled with floss or anything else you want.
I like and use both of these filters. IMO, ACs are very decent for a simple combined filtration (bio and mech). HOTs are, primarily, good as mechanical filters (their biocapacity is very limited for their high flow rate. True, you can add Biowheels there, but then you'll get the splashing noise).
Also, I'd like to comment of the fluidized bed filter suggestion. No maintenance? I wish! I used the famous Lifeguard FB 300 for a few months, got rid of it and would never come back. A maintenance nightmare! You have to maintain pre-filtering, deal with surges in flow (due to the changes in pre-filter clogging), you loose sand, you risk getting the sand packed and become anaerobic if you skip on a timely cleaning, it wouldn't re-start smoothly, etc., etc. Oh, I hated it so much! Never again!
