I'm with ya Steen... my most common bit of advice to noobs is "save more" - buying a compleat studio package for $200 might be some people's way in, and I guess it's a foot in the door, but really, buying semi decent stuff in the first place will save you in the end...
Especially when said noob posts a gear list including 5 guitars, 6 amplifiers etc. etc. Clearly they can find money for gear if they want to..
OP - people go on about monitors and room treatment because it's often the last thing that people invest in - they buy a bunch of stuff and post about how they're having troubles with X, Y and Z and eventually reveal they're listening through headphones, or el-crappo stereo speakers in a 6 x 6 x 6 concrete bunker that their pa uses to store beans and ammo for when the apocolypse comes... it is important! Don't forget it...