Dude... what are you smoking? You think you know a lot about what's going on at Mesaba... but you're usually wrong.
We have NO 900s parked. We are not short staffed and are not having any problems attracting, hiring and retaining pilots. In fact, we are over staffed on the saab. Jet training is starting to clear the backup and it will only get better when more planes are delivered. Plenty of pilots... they're just not all out of training yet. The more planes that get delivered, the more IOE can be accomplished and the backup is cleared. Our staffing issues are HARDLY as bad as yours over at Pinnacle.
We just took delivery of our 18th 900 and it enters service on March 5th. We'll be operating 17 lines of flying, with one spare. On March 10th, we will take delivery of the next 200. By mid April we will have 19 -900s and 9 -200s in active service, not including the spares.
The MEM 900 base opens in April and they'll likely be parked on the C concourse, where the main crew room is and where the avros used to park before they were retired.
Did you ever think that all this new flying you seem to be getting is for a reallocation of your 200s as your MSP flying decreases? As the XJ 200 flying increases yours shrinks and your planes have to fly somewhere.