I've kept a list updated over the years. Since 1999 I've always had at least one laptop and one desktop.
10/95 Performa 6220CD 75MHz
02/97 Performa 6400 Video Editing Edition 180MHz
03/98 PowerBook 1400c/117
10/98 PowerBook 3400/240
07/99 iMac Grape 333
11/99 PowerBook 5300ce 117
12/99 PowerMac G4 Yikes! 350
04/00 PowerMac G4 Sawtooth 400
07/00 iBook SE Graphite 366
11/00 PowerBook G3 Pismo 400
05/01 iBook 500
07/01 PowerMac G4 Quicksilver 733
10/01 PowerBook G3 Pismo 400 again
01/02 PowerMac G4 Cube 450
03/02 PowerMac G4 Quicksilver 733
07/02 iBook 600
11/02 PowerMac G4 (Mirrored Doors) 867
10/03 PowerBook G4 Alu 1GHz
11/05 Mac Mini G4 1.5
02/06 Mac Mini 1.66 Core Duo
09/06 PowerMac G5 Dual 2.5
09/06 PowerBook G4 Alu 1.25GHz
12/06 MacBook Pro 2.33
08/07 iMac Alu 2.4
11/07 PowerBook G4 Alu 1.5GHz
12/07 MacBook Pro 2.2GHz
01/09 MacBook 2.0GHz
01/09 iMac 3.06GHz
10/95 Performa 6220CD 75MHz
02/97 Performa 6400 Video Editing Edition 180MHz
03/98 PowerBook 1400c/117
10/98 PowerBook 3400/240
07/99 iMac Grape 333
11/99 PowerBook 5300ce 117
12/99 PowerMac G4 Yikes! 350
04/00 PowerMac G4 Sawtooth 400
07/00 iBook SE Graphite 366
11/00 PowerBook G3 Pismo 400
05/01 iBook 500
07/01 PowerMac G4 Quicksilver 733
10/01 PowerBook G3 Pismo 400 again
01/02 PowerMac G4 Cube 450
03/02 PowerMac G4 Quicksilver 733
07/02 iBook 600
11/02 PowerMac G4 (Mirrored Doors) 867
10/03 PowerBook G4 Alu 1GHz
11/05 Mac Mini G4 1.5
02/06 Mac Mini 1.66 Core Duo
09/06 PowerMac G5 Dual 2.5
09/06 PowerBook G4 Alu 1.25GHz
12/06 MacBook Pro 2.33
08/07 iMac Alu 2.4
11/07 PowerBook G4 Alu 1.5GHz
12/07 MacBook Pro 2.2GHz
01/09 MacBook 2.0GHz
01/09 iMac 3.06GHz