I just wanted to add a note about Executive Lounge access also. Since it seems that you're primarily interested in a hot breakfast, it should be noted that the breakfast served in the Executive Lounges at Hilton properties are mostly continental breakfasts (i.e. cold).

Many people seem to want Lounge access as a benefit, but it is most certainly not for just the breakfast offering. The benefit of the Lounge is food/snacks/soft drinks/coffee later in the day or even throughout the day in some cases. Many times in lieu if Lounge Access breakfast is offered in the hotel restaurant; this would seem the preferable choice for a breakfast person.

Personally I'm not a big breakfast person (I just need coffee!), so I always enjoy Lounge access when I can get it.