Just for that I will write out my PSP history:
1.5>1.0>1.5>2.71 SE-B>2.71 SE-B'>2.71 SE-B">2.71 SE-C>1.5>3.02 OE-A>3.02 OE-B>3.03 OE-A>3.03 OE-A'>3.03 OE-B>brick>1.5>3.03 OE-A>3.03 OE-B>3.03 OE-C

And I'm not even going to mention all the versions of Dev Hook I've used at different times.