Entering BHATCH now brings up a new Ribbon tab (fig. 1). Select an internal point (default) or click the ribbon button to select an object/boundary. Then hover over an area to display what the hatch will look like. Need to change the pattern, click the Hatch Pattern dropdown (fig. 2) and select a new hatch and hover again, it changes on the fly! Nice! Hit Escape to end the command or keep picking points or selecting objects/boundaries to insert additional hatches and they appear immediately. Think of it like the Layer Manager palette that stays on the screen and you see the changes as you make them.
Now, if you've given the new workflow the good old college try and need to revert back to the old tried and true, then set HPDLGMODE = 1 and you will have your dialog back. This is the quickest way to revert back if you use the Ribbon.
Give the new workflow a chance and I know you'll like it.