Help me choose a BIG Camera Roller bag

[soamz]

I currently have a Lowepro 350AW , but its not fitting all of my items.
So, Im looking to get a new big bag, which can fit all of my items.


Here is the shortlist :
Lowepro x200 Pro Roller
Lowepro x300 Pro Roller
Think Tank Airport International
Vanguard xcenior 62T
Kata FLYBY-76PL

Help me choose one from the above list, which is real big and can handle any amount of gear.

I need to place an order today, so please let me know .
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I have :
5D Mark 2 , 17-40mm L USM, 70-200mm f2.8 L IS USM Mark 2, 24-70mm L USM, 100mm f2.8 L IS USM, 100-400mm L IS USM, Benro big tripod, Canon 580EX 2 flash, various filters, macbook pro, iPad 2, iPhone 4S white.

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Im getting a good deal for Thinktank Airport security v2 :
http://www.thinktankphoto.com/products/airport-security-v2-roller-camera-bag.aspx

I was thinking, if I can settle for this and also another big question is :

Is it okay to send this as a check in baggage ?

I mean, I never send my camera goods into check in, rather I always carry with me into the cabin as cabin baggage , but since this is ultra big, I dont have a option.

Just need to know, what extra measures can be taken, if we are sending this as check in baggage, so they airport guys dont throw it here and there into the plane logistics box or the delivery roller lane.

Let me know.

 

[puckhead193]

I just got the Think Tank Airport Security. I don't use it for photography stuff, I use it to hold my video camera (Sony NX5U) and misc. accessories. I posted a picture in the post your last purchase thread, if interested.
It is US carry on regulation size for most planes. It is well made and I don't worry about going over curbs etc, but airport travel is another story, I would try to do carry on.