You're very welcome.
As you discover more of blenders many obscure and incredibly useful functions, you'll find the modeling possibilities grow enormous.
Couple of things i wish i'd found earlier that you may or may not find useful:
1) When you move the selected object or verticie, you can constrain it to move along one axis only by pressing that axis' associated letter. So say you want to move something straight up, you'd tap the z key while moving it.
2) In conjunction with moving, rotating and scaling, you also have the snapper. If you hold ctrl while performing one of those operations, it will snap the process by constant values. Eg, if you want to rotate something by 90°, press r and hold control. Blender will rotate it according to your mouse position, snapping it to every 5°. When moving it will move it by 1.0 of global space.
3) If you press m with verts selected, you have the option of mirroring them along any axis - which is pretty cool.
4) In conjunction with mirroring, you can create linked duplicates. When outside edit mode, by pressing alt+d, you create a copy of the selected object. By pressing ctrl+m, you can mirror it along any axis. Do this with two halves of a ship and you can begin mirror-modeling - awesome time saver.
You may need to turn off "Double sided faces", which should be somewhere to the left of the "Rem Doubles" button to prevent the duplicated half staying pitch black the whole time.
5) If you do turn off double sided faces, chances are you'll find many of your faces turn black. To solve this, select all verts in the model, press space bar and navigate through edit>normals>recalculate outside.
6) To subdivide a selected edge or face, select all verts that make it up, and press the "Subdivide" button directly above remove doubles. Saves a lot of trouble.
That's all i can think of ATM, so hope at least some of it helps.
