May I suggest the Gulfstream G200? Plenty of cabin room for 8 males, nice lav, and even though you mentioned relatively light luggage, the baggage compartment can fit almost anything you can throw at it (easily fits golf clubs and baggage for 8-10 people). Purchase prices are very reasonable and will become more so when the former NetJets G200's start hitting the market. Those aircraft will be higher time but fully refurbished and upgraded by Gulfstream, who has great product support.
Sure, those who haven't flown the plane will laugh at the notion of de-ice boots on a jet (which actually work great and don't affect climb performance like hot wings do on some aircraft) or the less than stellar runway performance (which wouldn't be much of an issue for your planned sea level, 6000+ foot runways at mid-weight even in hot temperatures). Gulfstream did address the shortcomings when they designed the G280; making a good airplane even better. G200 owners and passengers love the cabin (which is within an inch or two in height and width of the big Gulfstreams taking the dropped aisle into account) and it shows as the only major change with the G280 cabin was the addition of walk-through baggage compartment access.
Where the G200 really shines is the operating costs. It practically invented the super-midsized category, with a large aircraft cabin and mid-size aircraft fuel burn. The G200 will burn almost the same fuel as the Hawkers but with a much more comfortable cabin, especially with 8 guys. Plus a full size galley and no belted potty seat as there is room for 8-10 passengers in the cabin.