Channel Cats are relatively inexpensive, even for advanced sized stockers, so you can put them in any time down the line. Granted, they might not be 'free' like from the DNR.

Some advocate waiting a full year of stocking bluegill before putting in the LMB. You might also want to consider stocking fathead minnows and perhaps golden shiners in the spring, if you can push the LMB off 'til the Fall of '12.

Regarding crappie, my personal opinion is that the most important thing is knowing all the ups and downs of having crappie so you can take the right actions to manage them.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."