your posting history shows you to be a Central FL guy who appears to have gotten hired by AirSunshine or Cape Air, then Mesaba and Pinnacle. It also shows that you've been around for seven or eight years. I will assume that all to mean that you are highly desirous of getting back to FL, getting out of small jets and into a "real" airline airplane. I fear that those factors have turned into rose colored glasses regarding Spirit Airlines.
Over ten years experience at Spirit has shown me that you don't count airplanes until they are at the gate. As others have stated, Spirit has been a high twenty/thirty aircraft airline for a long time. If you are counting on deliveries coming in on a JetBlue style timeline, you will likely be highly disappointed.
We ALL, every one of the 500 Spirit pilots hope and pray that the expansion comes, but we've been fooled too often. You're not reading negativism from me, boomlrd and Mike, you're reading reality. Good luck in your career, good luck in your Spirit aspirations, just don't get your hopes up. You are as likely to be a hired and furloughed for three years as you are to be hired and upgraded in three years.
To end on a bright note, the last round of contraction and furlough was precipitated by the US economic downturn. Ownership overreacted and dumped twenty-five percent of the fleet. Hopefully, the current senior management will be able to override that type of reaction in future crisis and we'll all live happily ever after.