Where should I stay for one night in Bangkok? « Inside Bangkok

We are staying one night and then off to Pattaya. Anyone have any suggestions for that one night? We would like it to be close to the airport, close to restaurants and nightlife, under 125 usd, and also possibly have suites ... (Advance reservation is required and flight details should be advised at the time of booking or please go to Exit Door 4 or 5 (inside arrivals) and look for the Green Queen's Garden Resort sign (staff are there 24 hrs a day/ 7 days a week). ...