If by "NextBox" you mean NATAL + redesigned/slimmer 360 bundled together for $250 in 2010 ... then yes.
I think actually NATAL (whatever they end up naming it) is going to become a brand in itself and MS will just slap a "using XBox 360 technology" sticker on the box under the Natal marquee. Kinda like the "Intel Inside" thing on PCs.







