The Witcher spoiler checklist

Women

 * Triss Merigold - After you saved her you get the option to 'stay for a while...'.

Meteorite

 * Red - Some people say they get one from speaking with Vesemir.

Dice Players

 * None at this point, you havn't got any dice.

Signs

 * Aard Sign - Air, Found in the basement outside the Labratory. Tutorial will lead you to it.

Women

 * Peasant Girl - Give her tulips (wanders near the peasant huts outside the main part of town). Looks like an ordinary townsperson.
 * Vesna Hood - Escort her home sucessfully, bring a bottle of wine to the mill near Vizima after dusk (19:30).
 * Abigail - Late in the chapter she will give you the option to 'Get to know her better...'.

Meteorite

 * Red - The Crypt in the Chapel from a corpse of an old friend.
 * Red - In the Crypt after you done Miguel's quest. Pay a re-visit.
 * Blue - From a Salamandra corpse, late in game.
 * Blue - Buy it from Haren Brogg. Do this early in the chapter.

Dice Players

 * Zoltan Chivay - Teaches you about the Dice Game at the Inn. (Need the Dice Box before this).
 * Odo - Part of a quest.
 * Miguel - Part of a quest.
 * Haren Brogg - Part of a quest.
 * Gambler - A person at the Inn.

Signs

 * Igni Sign - Fire, Inside the Crypt for Miguel's quest.

Trophies

 * Nadir - Run past the Mill and you find him/her/it there with some Drowners.
 * Ghoul - At the end of the Crypt (after Miguel's quest) you find a larger named Ghoul (forgot it's name).

Women

 * Hooker/Courtesan - Can be found here and there. All give the same card. Can be 'bought' with flowers after a Side-Quest, or before with money.
 * Half-Elf - Enter the house across from the Warehouse by day and do the quest. She will be in the house across from Vivaldi's house after you complete it.
 * Gossip - She walks around and wants a pair of gloves or a gem.
 * Shani - After the party where you invite a friend, ask about the battle of (???) and make sure you have a red rose to offer her.
 * Morenn - Get the side-quest 'the lost boy' from Vaska. Bring her a wolf pelt and select the middle option (relieves stress).

Dice Players

 * Elven Convict(s) - In the prison with you at the start of Chapter 2.
 * Thaler - He walks the streets or is in his shop. (Professional).
 * Carmen - You find her inside the brothle.
 * Zoltan - He's in the Inn now and then or walks the streets.
 * Munroe -
 * Gardener - Outside the hospital at the day.
 * Vaska - She's in the swamp.
 * Gambler - In the Inn.
 * Elder Druid - In the Swamp.

Meteorite

 * Blue - 1x Buy from Thaler.
 * Blue - 2x At the Order Merchant.
 * Blue - 2x At the Drawen Weaponsmith

Sephirah

 * Cockatrice - You get the first one in the sewers from the Cockatrice remains.

Trophies

 * Cockatrice - Killed in the sewers. It's a 'must do' quest.
 * Cocco??? - A very tough man-eating plant in the Swamps.

Women

 * Triss - Send Alvin to her, then chat with her and buy her a ring with rubies.
 * Shani - Send Alvin to her, then chat with her and bring her a silver amber ring.
 * Lute Girl - no better name for her, the girl you get the lute from for the bard, either bribe or beat up her father to get to her.
 * Noblewoman - Stands in the street outside Triss' near the jester, wants a Kikimore claw (they pop up at night).
 * Blue Eyes - Courtesan with blue Dress in the Lady of the Night (actually need to get her card to finish a side quest).
 * Courtesan - 500 orens or a bottle of perfume (if you have the recipe) 300 orens if you drink the knight at the banquet under the table.
 * Adda - Princess Adda after a short set of fed ex quests all in the same area at the party (no loading screen).
 * Vampiress - the climax of the Blue Eyes quest, if you choose one night with the sisters of mercy over killing the Lady of the Night (Be Warned if you choose this you may end up having to kill many Order Knights).
 * Town Clerk - Diamond as a gift and she is all yours.

Women

 * Celina - give her a ring, she is easy
 * Elf Woman - Bring her food in the elf cave (Not Tourveil)
 * Lady of the Lake - After the hermit quest you get an option to tell her you want to go on a mission, tell her it was a jest after you say it.
 * Peasant Woman - Random event (didnt get her to appear till after I did the noonwraith quest for the blacksmith's wife). Sugardoll is what she wants. White Gull to the baker (or was it Honey cant recall but it was one of those) gets the doll, or you can find them in various houses in the Trade Quarter.

Women

 * White Ryla - Pro Order Path
 * Nurse(s) - Witcher Path
 * Tourviel - Scoia'tel path