Rollers (with speedmatic and stand) vs Trainer

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Hello,

Since I'm interested in training indoors, I want to buy rollers or a trainer. I've read some debates here and most people preferring a Trainer do that because they haven't to be concerned about staying straight, plus they say the resistance is better on a trainer.

But what if I buy a roller with a speedmatic and stand?

http://www.tacx.nl/content.cfm?l=en&id=31405

I'm talking about the T1225 and T1350.

Will I get the same experience as on a trainer, and should I buy what will cost me the least (trainer or roller with speedmatic and stand)?

Or is a trainer still better? And for what reasons?

Or will this roller with accesoires will help me in the best way?