I have the RCBS Uniflo with a baffle and it does help though I do use an electric trickler. I use it on my portable bench at the range. Another option is the Lee Perfect powder measure, it has a wiper which helps throw more consistent throws. Smith told me about the Lee measure about 20yrs ago, he said you'll laugh at it but try one. He was right. I only paid about $8 for mine.
Lee Powder Measures 
