okay, my 1st Q is :

1) what apps do u use to draw/design ur house. I have a floor map from developer last time. but not so complete.so i add on my own measurents etc.
2) would be nice if i have a free app / thing like ikea thingy that ive seen once b4
3) its hard to imagine stuff and keep on measuring furniture . would be nice if i can automate it.

plz advice.