Which is the best Free BSD for each of my computers?

[Christopher Schneider]

Free BSD Team,

iMac with the 2.8 GHz Intel Core 2 Duo with Mac OS X version 10.5.6

Model Name:	iMac
Model Identifier:	iMac8,1
Processor Name:	Intel Core 2 Duo
Processor Speed:	2.8 GHz
Number Of Processors:	1
Total Number Of Cores:	2
L2 Cache:	6 MB
Memory:	2 GB
Bus Speed:	1.07 GHz
Boot ROM Version:	IM81.00C1.B00
SMC Version:	1.30f1
Serial Number:	W88106UGZE4

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Gateway Laptop
MT6460 Notebook Specifications
Part Number: 2905931RGateway MT6460 Notebook

Feature	Description
Processor	AMD Athlon™ 64 X2 Mobile Technology TK-53
1.7 GHz | 512 KB L2 cache | HyperTransport™ technology up to 1600 MHz
Chipset	ATI RS485M
Display panel	15.4-inch WXGA (1280 × 800)
Memory	Installed memory: 1024 MB 667 MHz DDR2 SDRAM (2 × 512)
Total slots: 2 DDR2 slots | Available slots: 0 DDR2 slots
Video controller	Integrated ATI Radeon® Xpress 1150
Up to 256 MB of HyperMemory™
Audio	High definition audio. 2 channel
Hard drive	80 GB 5400 RPM PATA hard drive


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Sony VAIO FRV37 - Pentium 4 2.8 GHz - 15 " - 512 MB Ram - 60 GB HDD
General
System Type	Notebook
Built-in Devices	Stereo speakers
Width	13 in
Depth	10.8 in
Height	2.2 in
Weight	7.7 lbs
Processor
Processor	Intel Pentium 4 2.8 GHz
Data Bus Speed	533 MHz
Cache Memory
Type	L2 cache
Installed Size	512 KB
RAM
Installed Size	512 MB / 1 GB (max)
Technology	DDR SDRAM
Storage Controller
Type	IDE
Storage
Hard Drive	60 GB
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and what if anything, would having this software do in relation to my  
Apple TV?

Thank you for your time,

Chris Schneider