Which Terra Vista product is right for me?

Feature or Function	Terra Vista Base	Terra Vista Pro Builder	Terra Vista Dart
Open Flight Output	X	X	X
MetaFlight Output	X	X	X
TerraPage Output	X	X	X
AI.Implant Output	X	X	X
CDB Import/Output	X	X	X
Vector Editor	X	X	X
Bridge Wizard	X	X	X
Building Wizard	X	X	X
Blend/Feather Imagery	X	X	X
Building Interior Wizard	X	X	X
CDB Rule Editor	X	X	X
CDB Attribute Translator	X	X	X
SAF/CGFand SEDRIS Output Compiler Support		X	X
Correlated Outputs		X	X
Correlated Elevation Output		X	X
Vector Output		X	X
Variable LOD		X	X
Two Back-end Build Instances		X	X
MMB Controller Capable		X	X
Elevation Editor		X	X
Elevation Sets		X	X
Generate Elevation		X	X
Source File Path Editor		X	X
Script Interface		X	X
Mosaic Output Creation JP2		X	X
Project Interchange		X	X
Picture Output		X	X
VPF Importer		X	X
3rd Party Plugin Capable		X	X
Four Back-end Build Instances			X
Import CTDB			X
Import Open Flight			X
Import JCATS			X
Import OTF			X
Import SEDRIS			X
Import TerraPage			X
Email Build Notification			X
Smart Vectors			X
Runway Generator			X
UHRB XML to OpenFlight			X
Multi-threaded import			X
DFAD Output			X
Floating Output			X
AutoCAD DWG/DXF Import			X
Multiple CTDB Cell Compiler with MMB			X