We stayed at www.happyangkorguesthouse.com and would recommend it to anyone. Cheap, friendly, helpful, clean, fun and good food!
We also visited my old high school friend Pete at the Warehouse bar that he manages in town which is a great place with good live music.
2 full days is probably plenty of temple seeing in that heat. We did 2 and half days and you really don’t need to see all those temples. We would recommend seeing Angkor Wat at dawn and would not recommend fighting the crowds in the heat and waiting around for the sunset at the temple on the hill though, there are plenty of amazing sunsets in Cambodia and this one is a massive tourist trap. We hired a tuk tuk driver from our hostel for the full 2.5 days for a total of $30 which is definitely the nicest way to see temples.