I'm quite fine with Lua alone, we've seen some cool and impressive programs made with Lua, I don't think there will be a need for C/Asm anymore.

Of course I'm not an Nspire dev. But since Lua is sand boxed, I would compare Lua to this situation.

Imagine that TI-Basic suddenly became as fast as asm. (Yeah right) That would mean that you would be able to write basic games that roughly equal the power of asm games. So as far as the game world goes, no, there would be no need for asm.

But now, try to write a shell in TI-Basic. One that can list all the programs on the calculator and execute them at random. You also want your shell to install a hook that allows programs to be run from the homescreen and setup some more hooks just to make the calculator generally easier to use. (Think zStart). Through TI-Basic alone, you cannot write Utility programs, so you must then fall back on asm even though Basic is crazy fast.

So, assuming that Lua is similar to TI-Basic as far as being sand boxed, my analogy should work.

Agreed. Getting Ndless might cause TI to block that and Lua too.

You have to have C/Asm for this. Eventually we will hack it on.

Ah yes, C/ASM do allow full control

They can't reasonably block Lua now, the backlash (not just from us hobbyists - also teachers who are currently warming up to the possibilities offered by Lua) would be too high

And no, Lua will never ever erase the need for native code
Especially if TI's Lua implementation remains purely interpreted: the LuaJIT performance pages ( http://luajit.org/performance_arm.html , http://luajit.org/performance_x86.html ) show that in some use cases, LuaJIT is more than two orders of magnitude (100 times) faster than regular Lua - and code produced by LuaJIT doesn't execute as fast as the equivalent native code would, so the gap between interpreted Lua and native code is even larger.
Besides performance unmatched by Lua, native code enables deeper (near-full) control over the devices we own, rather than being limited to what TI feels like providing - namely, a stripped-down Lua.

[EDIT: I see that several posts have been posted while I was writing mine ]

Whoops, it appears i got triple ninja'd. I was agreeing with Spyro.

But as Lionel Debrouxl said and correctly, they'll never remove Lua. Do you still not want ARM?