Nous said:
Everything is about comfort level and timing. Some people will buy because they "can't stands no more!" like USC. I won't buy until the market hits bottom in some meaning full way (like seasonally adjusted home prices are pointing up with interest rates doing the same while the general economy is in a stable situation instead of teetering on the brink). And as for Irvine being affordable, that's all spin. Ask 10 RE agents if now is a good time to buy and 9~10 will tell you it is. They'll say that rates are as low as ever and prices are so low compared to 5 years ago. But they won't tell you to wait out another 3~4 months until the dead of the slow season when you can get the best deals.
You make it sound easy to buy in the dead of Winter but the inventory is typically reduced, which means it could take longer to find what you want. For those really interested in attempting this, they should be out actively looking right now because it will take some time, and then try to make your offer between Thanksgiving and Christmas when people are the busiest and you will have the most leverage. After New Years, the Spring season begins anew with new listings coming online, and potentially unrealistic sellers not willing to bargain.