If you only use the batter head on your toms, removing the bottom resonant head, you'll end up with what is called a Concert Tom. Concert Toms are drums specifically made with a batter (top) head.

I would describe the sound of these drums as follows:

• sharp Attack / quick Decay (all depending on how the drums are tuned)
• Barrel or canon type quality to the timbre; depending on the depth of the shell.

Phil Collins made use of these qualities for many years, although his sound was heavily processed.

I'm personally not a big fan of taking the bottom heads off the toms. I think you can get the sound you want by leaving the bottom heads on. Concert Toms are a whole different instrument in my opinion, as it's sound is unique.

If you are going to go with just the batter head, I would not use the Powerstroke heads. I would first try a single-ply head, maybe one with a dot (ala Tony Williams) such as the CS series from Remo. I think a better choice would be something like the Studio-X from Aquarian. The Studio-X will naturally roll-off the high end frequencies while still providing a sharp attack. Using a two-ply head will enhance the lower frequencies of the drum and smooth out your attack.

I'm only speculating with what it is you are looking for. I know it's hard to explain, in words, what it is you are wanting. Hope this helps a little bit.