Depending on how big your company is (and/or how much your manager cares about budget), you might also look out for them a bit too. So getting status where you get free breakfast is nice even for your company (and then, sometime when in conversation with your manager, you drop that line). Small businesses in particular will care about this.
A small plug for IHG and its usefulness: I was just at my son's college graduation in New Haven CT. Between all the relatives, we needed 10 nights. In the town, all rooms were booked 6 months ago when I tried. Booked rooms at Super 8, 10 minutes away, but it was a REALLY bad Super 8. So I switched to a newer Motel 6, 15 minutes away. Rooms opened up in town at the Marriott, at $500/night (and it's a so-so Marriott). Then I looked into the points break that IHG has (book a room for 5,000 points/nt, generally about 2 hotels per state each quarter). Lo and behold, one was in Bridgeport an extra 10 minutes away. And it was a really nice Holiday Inn Express. By then I had the IHG card with platinum status, we got upgrades. Would have cost $1400 at the Motel 6 (or $5000 at the Marriott), instead all of us stayed free with large, nice rooms for 50,000 points (and then with platinum I get 10% points back).
IHG (Holiday Inn) is everywhere, and it has decent, sometimes very nice, rooms. And sometimes it can save you lots of money. I'd recommend at least getting the card.