Went to the 2nd Wishbone (1001 W Washington) this morning for breakfast. The other couple we went with were VERY happy with their meal (I personally think they were happy not to having a crappy hotel breakfast for $50 per) as well as being able to sit outside.

I had the chicken Andouille hash, very good.

A number of locations in Chicago: www.wishbonechicago.com/ (I'm not sure why the website doesn't list the location on N Lincoln Ave)

Common misconception, the original was on Grand (1990). Washington was second (1992), then Grand closed and moved to Lincoln (1999). Lincoln has its own website, http://www.wishbonenorth.com/

I'm not certain, but I get the impression that Washington is owned by one brother (the founder) and Lincoln by another brother. Similar menus, not necessarily acrimonious, but run separately.

Any recommendations for the best buffet sunday brunch at a hotel in Chicago?

sorry, I can't comment on any hotels but I've always enjoyed the brunch at Shaw's Crab House with locations in the city (21 E Hubbard) & Schaumburg (NW burb of Chicago).
www.shawscrabhouse.com

PS: Shaws is owned by LEYE (lettuce entertain you restaurants www.leye.com), if you sign up for their emails and provide your b-day, you will receive (around the time of your birthday) a 2 for 1 coupon to their Sunday brunch, it is an annual thing for the Mrs & I.

had a delicious breakfast this morning at Uncle Mike's Place (1700 W Grand Ave, Chicago) www.unclemikesplace.com

Besides typical American type breakfasts, Uncle Mike's Place also serves Filipino breakfasts, Mrs Sweet Willie & I both had the Tocino breakfast, which is 2 eggs (poached or fried) over garlic fried rice, served with grilled pieces of marinated pork shoulder. Uncle Mike's Place also serves longaniza and skirt steak breakfasts. Included with Filipino breakfasts is a cup of lugao soup (rice porridge with scallion, chicken, ginger).

So if you are looking for a different type of breakfast but your other diners want typical breakfast fare, Uncle Mike's Place is a great choice.

Our party of four dined at the Streeterville Yolk two weeks ago. Excellent. Salmon and Eggs. Huge portion of salmon. I was not hungry, even when we hit dinner that evening. I would so go back.