IDA Pro's Outstanding Features
Unique FLIRT technology : identifies standard library calls and save time.
Multiple Processor : same interface and features for dozens of processors
Fully Interactive : you work with the disassembler and forget about tedious multiple passes.
High Level Constructs, such as unions, structures, variable size structures and enumerated types.
Stack Variables keep track of your local variables, Local Variables.
Fully dynamic Global and Local Labels.
Low Level Constructs such as bitfields
Interactive Register Renaming makes RISC processors easy.
Programmable, Open Plugin Architecture
Versatility : loads and disassemble virtually any file