Yes, make your bitmap based brushes as big as you can - yes, people who use them can always downsize them for use, but upsizing them will make them soft.

For more brushes and, frankly, a TON of stuff from background papers to textures to layout templates, go to www.graphicauthority.com - and yes, if you're a NAPP member you can get a significant discount at Photoshop Seminars. (as well as constant discounts at B&H Photo, Calumet, etc.)

He's MUCH better now (his fever broke and he's running around with more energy now) - he tanked out in the living room for most of the afternoon - he only made it about 20 minutes into Cars - by the time I was finished typing my above response and came back into the room he was asleep :-)