I saw a CBR 250 at Pratunam yesterday, and I almost could not tell for sure if it was a 150 or 250. In other words, CBR lacks size and presence. Kawasaki, I felt, was expensive at 150K. In terms of design, I have always preferred Yamaha bike. If I'm going to run a business in Thailand, perhaps PCX is the better choice. At least I don't mind letting my panakgan ride my bike for delivery. I can also do shopping in nearby sois with PCX and just park at the roadside without worries.
If I'm really ready for a big bike, I think I should go for a 600cc bike. I like Yamaha YZF, but because it's not made in Thailand I'm going to have to pay a 70% premium, which is not all that worthwhile. Maybe a Kawasaki 600 cc.