Took the plunge and bought House (1977)
thanks to Criterion's 50% off sale. After that, I pre-ordered The Avengers
DVD+Blu-ray combo pack from Amazon. Had around $23 in gift card balance, so ordered it on Amazon. Combine that with a Prime free trial for Free Two-Day Shipping... even better.
"Aliens conquering Earth would be fine with me, as long as they make me their queen."
- Gillian Anderson