Hi
I'm planning a trip to Asia in Mid-Summer (Mid July departure) for about 3-4 weeks. The only thing for certrain is I plan on spending about 7-10 days in Tokyo, from there on I'm all open, I plan on doing the inercontinetal airfare via CO miles btw. I have around $2,000 for the whole trip
max 
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So my questions are as follows?
Tokyo-What should I see/do here and any advice on how I can not blow my budget here(I have lodging for free with friends)
Where should I go from here?
I was thinking Singapore then taking the train up through Malaysia to Kuala Lampur- Is this a good idea? I saw in another thread that SIN is a good place to get cheap airfares out of so maybe I should fly out of here instead? Perhaps to visit Hong Kong?
Really I am very early in the planning stages so I am open to anything.
H