Single or Twin turbo setup for 360?

So I need everyone's opinions on a single or compound turbo setup for a 360 that I'll be putting in my W150 that'll be used for mostly towing and some fun of course. The original plan was to just budget build a 360 nothing too special and put it in there and roll BUT the other day I was discussing it with my dad and we brought up the idea of a turbo 360 for easier power, something different for us to do and because turbo, why not? Now I have only, and I mean only done a very brief search on google for turbo kits and you know it! I found a kit on ebay (I know I know its an ebay turbo kit, forgive me) but luckily the cam I already got for the original build was a Mopar purple shaft .410/.425 RV cam which would be good for a turbo build. Now I've heard the compound turboing is not the route to go for a semi-daily driver or tow rig. I haven't as to why that is bad it's just what I've heard so which route do I go? Now to clarify this engine is not going to be some 800-1,000 horsepower build. I'd only like to go in the area of 475-500 and that's decent for me. The rotating assembly will change from the original plan of stock rods and crank to forged if necessary and the pistons will be too. Everything will be accounted for accordingly in the transmission and transfer case as well as all else I can think of. I haven't seen or heard enough info ever on turbo small block mopar builds other than like ritter block W-headed engines so this is why I'm here. Help out a lost guy because I've always been an N/A engine type of guy and the land of boost is foreign to me.
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Terrible idea for a towing application, just saying what needs to be said. Step up to a 408" with Trick Flow (or comparable) heads, because you'll be building another shortblock shortly after the first turbo build.

Keep it simple (reliable), with gearing and displacement. It's a tow-rig, not a drag truck. Peak horsepower is pretty meaningless, goal should be maximum torque below 3,000 RPM. Preferably from 1,000-2,500 RPM. That's most easily accomplished through displacement.