We making our annual trip to Vegas during Christmas week (staying at Bellagio) and will be dining as a group of 11. Due to the size of the group, we realize that we may have to split up into two tables. Our group consists of two couples 40 to 50ish years of age (lol)-- but the remainder are in their late twenties. We are looking for restaurants that have an upscale atmosphere or are hip and lively. We know, appreciate and want fine food, but seek varied menu selections that could please some of the more understated palates among us. Price is really not a primary concern. Thus far, we have booked Prime, N9ne, Alize, Circo---just to hold a few places. We are also considering Martorano (we are from FL but have read some awful reviews of the Vegas location), Nob Hill, Mesa Grill, SW Steak, B and B (concerned that there may be too great an influence on organ meats??), Mix (for the view and the room but--went once before and can't recall being overwhelmed by the food). We need to steer clear of asian because one person has a severe allergy to nuts and nut oils, but anything else goes. Would love some advice on pleasing the group with good food in a nice/atmospheric setting. Thanks in advance!