To prep up for Bon Voyage, here are the Syste m Specs:

[align=center]Minimum System Requirements for The Sims 2 Bon Voyage [/align]

SYSTEM REQUIREMENTS
1300 MHz processor
512 MB RAM
Windows(R) Vista, Windows XP, Windows ME, Windows 98 or Windows 2000 Operating System.
8x or faster CD/DVD drive
At least 1.5 GB of additional hard drive space (5.0 GB total is required if installing both The Sims 2 and The Sims 2 Bon Voyage Expansion Pack at the same time.)
A T&L-capable video card with at least 32 MB of video RAM.

Supported video cards:
ATI Radeon(TM) series 8500 or better (9600 or greater required for Vista)
8500, All-In-Wonder 8500
9000, 9200, 9500, 9600, 9700, 9800
X300, X600, x700, X800, x850
X1300, X1600, X1800, X1900, X1950
NVIDIA(R) Quadro(TM) series
Quadro, Quadro2, Quadro4

NVIDIA GeForce series GeForce2 GTS and better (GeForce 6200 or greater required for Vista)
GeForce 2, 2 GTS
GeForce 3, 3 Ti
GeForce 4, 4 Ti, 4200, 4600, 4800, MX 420, 440, 460
GeForce FX 5200, 5500, 5600, 5700, 5800, 5900, 5950
GeForce PCX 5300, 5900
GeForce 6200, 6600, 6800
GeForce 7300, 7600, 7800, 7900, 7950
S3 GammaChrome
S18 Pro
S18 Ultra Intel(R) Extreme Graphics (see note below)
82865, 82915 and above

NOTE: If you have a non-T&L capable video card, such as Intel Extreme Graphics, then you need at least a 2.4 GHz processor.

They are the same specs as The Sims 2: Seasons Expansion Pack, so if your game works fine with Seasons, I bet it will be good with Bon Voyage Aswell