Compare ATLAS.ti with other products and judge for yourself:
Fact #2: Real and full PDF support. Only ATLAS.ti lets you use PDF documents the way they were intended: text, graphics, layout and all. Open a file and you're good to go! No conversions, no stripping documents to naked ".txt" files, no extracting images by hand.
In my research I used ATLAS.ti extensively, to code a massive amount of quotation (about 106000). ATLAS.ti is the only software around that makes truly mixed quantitative and qualitative analysis possible.