Nort, check out this link:
It has the info for Lazy Day's (closest to party cove).
PMG & US Resort are popular rental mgmt companies that represent a wide variety of condo's and can fix you up with what you want. There numbers are on the link too.
As far as resorts, I'm partial to the 4 Seasons over Tan-tar-a. Also, it's one cove over from my condo
There are also tons of smaller mom & pop cabin style resorts scattered throughout the lake which are pretty cool for the price and are a good choice if you got a big group who all want cabins by each other.
This is a pretty good link too:
...and start practicing now for the minnow shot. You know we won't let you leave with out doing it!