I've used PT Assembler (http://www.tawbaware.com/ptasmblr.htm http://www.tawbaware.com/ptasmblr.htm) for many years. Does anyone have experience with both front

I've used PT Assembler (http://www.tawbaware.com/ptasmblr.htm http://www.tawbaware.com/ptasmblr.htm) for many years. Does anyone have experience with both frontends and what the pro/cons are?