i encountered a interesting board of nri's who want to return to india. they call themselves r2i-ers (return to india-ers). the link is
http://groups.msn.com/R2IClub/general.msnw

and it is great to note that lot of nri's expressing concern on the pollution, water issue, traffic issue of india. because we in india need good environment (clean air, clean water, traffic free roads via modern public transport, rich density of trees, etc) too :)