Media center ITX advice

im gonna cut the cable and I have several people in my household that aren't particularly computer savy

so Im looking for advice on how to execute a media center PC so that anyone can use it easily 

it will be used for netflix, hulu plus, couch web surfing, and it will also be connected to my local computer network and play content from those HDD's 

best options for remote control? i was thinking wireless xbox 360 controler with xpadder

I have a 200 dollar budget on the build I want a small box (mini itx) i already have a hdd

anyway lemme know what you guys think

Here's some advice