well it has been a while and i now know how to write in tasm (small apps), tasm32 and my favorite --> masm32.
masm32 is so simple, if you know C, then you can learn this in a couple of days...
here is a great tutorial (several actually) for masm32, and
here is the masmforum from Hutch, who now has the full responsibilty for masm since it is not supported by MS anymore...