From memory, they do get quite tall. That looks like more of a small tree to me that a pot plant.
Quote: " to be honest I have never seen one...No idea how big they are "
Most ppl have never seen one even if they do use it. Dont feel bad but a simple search on the net would yeild what they look like if your really concerned.
Case: Antec 900, Mobo: Asus Sabertooth 990FX, CPU: AMD T1100 Thuban 6 core @3300 ghz stock settings, COOLER: Thermaltake Frio, MEM: G Skill Ripjaws X series DDR 3 @ 1866 9-10-9-28, HDD: 2 Western Digital caviar Black 750 Gb set in RAID 0, GPU: Saphire HD 6950 flashed with 6970 bios, PSU: Corsair CX750M, MS: Cyborg Rat 7, KB: Logitec G510, OS: Windows 7 home premium 64 bit.