Which is best for encoding video?

[superzz]

I'm looking to buy a new computer. I have two in mind, and was hoping for alittle advice on the matter.
Option One:
Sony VAIO RX590G Digital Studio

Case Style Mini tower

Case Color White

Processor Intel Pentium 4 Processor 2.0GHz

Level 1 Cache 8KB and 12KB of Trace Cache

Level 2 Cache 256KB Level 2 Cache

Chipset Type Intel 850 chipset

Data Bus Speed 400MHz frontside bus

RAM Installed / Max RAM Supported 512MB PC-800 RAMBUS RDRAM, Upgradeable to 512MB

Floppy Drive Internal 3.5" 1.44MB floppy drive

Hard Drive 100GB UltraDMA ATA/100 hard drive

CD / DVD / CD-RW Drive 40x CD-ROM drive

Second CD / DVD / CD-RW / DVD-RW Drive 2x1x DVD-RW drive

Video Card AGP nVidia GeForce2 MX graphics card

Video Memory Installed 32MB SDRAM video memoery

Max Resolution 2048 x 1536 at 32-bit color max resolution

Video Out Supported NTSC

Sound Output Mode 16-Bit stereo

Speakers 2 Stereo Speakers

Modem / Communications Device PCI Internal 56K V.90 Fax/Modem with Built-in PNA card

Data / Fax Transfer Rate 56Kbps Data / 14.4Kbps Fax / 10Mbps PNA

Network Features Integrated 10/100 Fast Ethernet network adapter

Ports and Connectors 1-Serial port; 1-Parallel port; 1-VGA port; 1-Optical Out port; 1-Composite Video/Audio In port; 3-USB ports; 1-PS/2 Keyboard port; 1-PS/2 Mouse port; 1-Modem port; 1-Ethernet port; 2-i.LINK ports; 1-Microphone port; 1-Headphone port; 1-Audio In port

Expansion Bays 2 (0 free) External 5.25" bays; 1 (0 free) External 3.5" bay; 2 (1 free) Internal 3.5" bays

Expansion Slots 2 (0 free) 168-pin DIMM slot; 3 (1 free) PCI slots; 1 (0 free) AGP slot; 1 (1 free) Memory Stick slot

Input Device Mouse, keyboard

Voltage Required AC 100/120 V ( 50/60 Hz )

Operating System Includes Microsoft Windows XP Home Edition

Included Software Acrobat Reader, Photoshop Elements, Premiere LE, PhotoPrinter 2000 Pro, WordPerfect, Quicken 2002, PC-Cillin, DVgate, Media Bar, MovieShaker, PictureGear, Smart Capture, Visual Flow, Record Now DX, DVDit

Option Two:
Model Number Macintosh PowerMac M8667

Case Style Tower

Case Color Graphite

Processor Dual PowerPC G4 Processor 1.0GHz

Level 2 Cache 256KB Level 2 Cache on each processor

Level 3 Cache 2MB Level 3 Cache on each processor

Data Bus Speed 133MHz frontside bus

RAM Installed / Max RAM Supported 512MB PC-133 SDRAM, Upgradeable to 1.5GB

Hard Drive 80GB 7200rpm UltraDMA ATA/100 hard drive

CD / DVD / CD-RW Drive Combo 2x6x DVD-R / 8x/4x/32x CD-RW drive


Video Card AGP nVidia GeForce4 MX graphics card

Video Memory Installed 64MB DDR SDRAM video memory

External Max Resolution 1920 x 1200 at 32-bit color max resolution

Sound Card Integrated high-performance Odyssey Audio System audio chipset

Sound Output Mode 16-Bit stereo

Speakers Integrated Stereo Speaker

Modem / Communications Integrated 56K V.90 Fax/Modem adapter

Data / Fax Transfer Rate 56Kbps V.90 Data / 14.4Kbps Fax

Network Features Integrated 10/100/1000 network adapter

Wireless Network Features AirPort Ready

Ports and Connectors 1-VGA port; 1-Apple Display Connector port; 4-USB ports; 1-Modem port; 1-Network port; 2-Firewire ports; 1-Microphone port; 1-Headphone port; 1-Audio Out port

Expansion Bays 1 (0 free) External 5.25" bay; 1 (1 free) External 3.5" bay; 2 (1 free) Internal 3.5" bays

Expansion Slots 3 (2 free) 168-pin DIMM slots; 4 (4 free) PCI slots; 1 (0 free) 4x AGP slot; 1 (1 free) AirPort slot

Input Device Mouse, keyboard

Power Supply Power supply internal

Voltage Required AC 120/240 V ± 10% ( 50/60 Hz )

Operating System Included Mac OS 9.2 and Mac OS 10.1

Included Software QuickTime, iMovie 2, iDVD 2, iPhoto, iTunes 2, DVD Player, Mac OS X Mail, Acrobat Reader 5.0, Art Director's Toolkit, FAXsft 10.0 Preview, Filemaker Pro 5.5 Trial, OmniGraffle, PCalc, Snapz Pro X, Apple Hardware Test CD

I want my next computer to be my home media server. Store my movies and music, encode fast, serve other computer on home network: 1 linux ps2, 1 linux pen, 2 win 98 pen, and 1 pen 3 win ME. -thanks for you opions.

[tgpo]

Go for the Mac. You'll love it.