Looking for a portable device that does many things....?

That would be a laptop. Since u want to watch DVD's a PDA isn't suitable for you.

The MOST portable device I can recommend that does everything you want, including play DVD's ( you need a peice of software called Smartphone media studio - its a breeze to use, just plug in & go ) plus be your mobile phone, is the Orange SPV M600

It uses windows mobile so syncs seamlessly with your office PC Outlook emails, calendar, diary, contacts.

Has an extremely large high res screen, that in landscape mode is VERY watchable with DVD's or video podcasts. Has built in Wi-Fi to conenct to internet hot spots on the move without having to connect via your mobile phone provider.

Uses Windows media player to play all your Mp3 or WMA's, on a SD card that only costs £15 for 1gb version. I currently have 14 albums & three DVD's on my SD card in my PDA phone & there is still room for more.

This same PDA/Phone is available on TMobile & O2 as well I think, jsut with a slightly different name. Get one of these & you no longer need a laptop, mp3 player, mp4 player. Maybe I should become a salesman !

If you can live without the DVD feature, try the Palm TX handheld PDA. I use it on trips instead of a laptop - works awesome. You can listen to MP3s, view and edit word documents and PDFs, Excel spreadsheets, view photos, surf the web and check/send email. It is really a great device for about $300.

You can watch videos, though, if you convert them to MPEGs first. BUT... I'm not sure you could fit an entire DVD onto even the highest-capacity SD card.

Ditto with Mike, though I'm not familiar with that Orange SPV device but it sounded like modified Windows Mobile tablet (5' or larger screen) device, that large screen along maybe worth it.

But if it has the same physical size as other PDAs then choose something else.

Your next best choice is more in tune to what AEGuy said, a Palm OS 5 device, it is cheaper yet offers better multimedia performance to an equivelent Windows Mobile machine. But Palm offerings containing built-in wireless is just few machines now, if you accept external wireless few more choices: Tungsten T3/5, TX, Zire 72, Tungsten E2, Life Drive. I tend to discounting Sony's license, not familiar with their offerings.

the laptop is exactly the suitable portable device to you but if without the dvd's it sure to be a PDA or any handheld device.

If you don't mind converting the DVD's to MP4, how about a Sony PSP

It does all of those things very well indeed!

youtube, great hand held pc i observed this guy have this handhelp domicile windows xp and he replace into taking part in starcraft on it and counterstrike on it loopy for have been given the call inspite of the incontrovertible fact that it replace into rattling cool

how about a tablet pc? or the new Sony Vaio Micro PC?

check here:

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try at this store they have such a lot & a great price

http://www.tigerdirect.com/

btw you ask me what anti virus i use ,

no.1 : zoneAlarm internet security suite

no.1 firewall with anti virus & anti spyware this stop everything fast

i never have a virus on the pc this keeps the virus out and verry fast in doing so

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How about a New MacBook Pro?