Other option is driving round in the States. A guy at work seems keen and while he's a decent lad aquaintence I think I'd be keen if 3 or 4 of us get organised but not just 2 of us.
Summer trip to Thailand, Laos, possibly Cambodia briefly and maybe Vietnam / Ho Chi Min city I hear is nice. Have a mate working in Singapore / Hong Kong so might pop to whichever he's in while out that way but going to have to do most of trip on cheap so thinking that part might not be...