To be fair both HP and TI have tried their best to do something better than their older lines but it's resulted in the following:

http://www8.hp.com/us/en/products/calculators/product-detail...

I've used the emulator, but it's less productive than the 50g. Also TI's nSpire offering is just horrid.

I don't use my calculator in education which means I'm completely forgotten.