Pine needles, feathers and food remains our budgie - no problem. Even the sand out of the cage and the screws with all that in the hobby room so accumulates gets under shelf no problem.
We still have a Roomba iRobot, which takes over the daily Hausstaubsaugarbeit with us; The dust bin is not empty without the dust is distributed around the barrel. EXCEPT - one has the PD1800. Quick sucked empty the dust compartment of iRobot and then partitioned the PD1800 clean in the garbage.
Nevertheless - Emptying takes some practice - you really have to pull out the influence or Haarknäuls with two fingers before you can shake out all the rest easy. The filters (for coarse and fine dust) can be easily removed and put back.
An extra mention must be made of tubing. Rolled practically it does not interfere. But if you want to suck time in the car, company, or in the closet, this hose worth gold. He gives one the necessary 150cm coverage that otherwise always missing one.
I'm going to the Black & Decker PD1800EL definitely recommend.