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Raid 10 with 2 NCQ drives a 2 non ncq drives

I have a dell 9200 (ich8r) that supports 6 sata/esata drives.  The 2 internal drives are SATA 3.0Gbps (samsung SP2504C) drives.   I have a 3rd drive, a WD2500JS.
The 2 onboards have NCQ but the 3rd one doesn't.  I was planning on getting another WD2500JS to get a matched set, running them on/over eSATA and create a RAID 10.

So here's the problem/question.  Since I have 2 that support ncq and 2 that don't.  Is there a way to optmimize them drive arrangement to make use of NCQ?
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btassure
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Put one of each type of drive into the raid so that you have

SP2504C            \                        SP2504C
striped                |---> mirroring  
WD2500JS          /                        WD2500JS

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Why is that any more optimal than having both NCQ drives together?
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btassure
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I doubt it would make much of a difference either but I wanted the points :oP

It is also possible that the NCQ drives (being a tad more advanced) may have a faster spindle speed but I haven't looked up the disk specs. Either way I figure spreading the NCQ around would balance out the mirror.