Bard's guide to a better Spy

If you're a nancy who prefers to drink martini's - shaken not stirred instead of good manly beer then the spy is for you. The spy is of limited use in clan games against a good clan as the defenders are often very aware of who is where. On public servers the spy kicks butt. Against bad clans it is an excellent way of cause confusion and panic in the enemy's ranks. As soon as they start shooting and stripping armour and health off each other you have achieved a worthy goal. The spy comes equipped with a shotgun, a nailgun, a tranquiliser gun, a big knife, gas grenades and normal grenades.

General tips

• Do not change color before you get to the enemy base!!!!! this gives enemy time to notice you are the wrong color on the showscores screen. Instead change to a class that moves around the same speed (pyro, medic, engineer, demoman or sniper) and move into the enemy base. Once there then change color. 
• DO NOT MOVE AROUND WHEN FEIGNING.... rapdancing corpses are obvious. Too many newbies end up with a soldier standing on you so you can't get up and then just axe you to death.
• Shooting or stabbing removes your disguise. It's much better to use grenades.

Offense tips

• Sentry killing is an excellent job for a spy. Two grenades will take out a sentry and leave you with your disguise intact.
• The gas grenades are excellent for causing confusion and are an effective prelude to a flag taking or a major offense, especially when it's the second line of defense that is gassed. The enemy won't know if those explosions are real explosions, whether that grenade that just landed at their feet is real or that their flag is actually captured.
• Often assassinating a defender doesn't do too much unless it is very well timed. For example sneaking into an enemy base you destroy a sentry gun, feign in a position to give you a good field of view (dressed as a demoman for example). When the Engineer comes back and is in the process of rebuild his sentry you   run up and stab him in the back :). With any luck he will have respawned in the "gobi desert" (an area miles from anywhere useful - attributed to '[DraGoN]BustaGonad') and the enemy will be without a sentry for a long period.
• Tranquiliser attacking a defending heavy just before your offense hit assists immensely.
• After infiltrating an enemy base and taking out any sentryguns the spy should work on the defense in a guerilla warfare style. Hit the deep defense with tranqs and run. If your team are taking out the front line of defense nab the flag and race out of there to meet them halfway.
• Another good trick is to be chased into the enemy base with one of your own team mates taking shots at you, just ensure you have your knife out so that it looks like you don't have any ammo. When an enemy 'team mate' comes to the rescue you sneak past them towards the nearest resupply. This works well when team damage is on.

Defense tips

The spy makes a reasonable defender. The gas grenades are useful in flushing out camping attackers and the tranquiliser gun seriously hampers and enemy's ability to dodge fire and attack effectively. The spy can be a really annoying defender, especially if he teams up with the enemy offense as a supposed friend, just to kill them deep in your base.

Binds to have

//Class specific keys
bind "v" "feign"
bind "b" "disguise"