I ran some perf tests on my production environment on both my md3200's. The test ran for 24 hours (including Veeam backups). I'll post some more findings on a few arrays:
host 1
6 x 600gig 15K 3.25 raid 5 166.7 mb/sec peak iops: 2355.3 avg io 71.4kb / 30.0kb
8 x 900gig 10K 2.5 inch raid 10: 296.9 mb/sec peak iops: 316 avg io 645.5kb / 6.1kb
8 x 900gig 10K 2.5 inch raid 10: 415.9 mb/sec peak iops: 1023.7 avg io 585kb / 0.0kb
8 x 300 gig 10K 2.5 inch raid 6: 126.8 mb/sec peak iops: 1560.2 avg io 68.5bk /1 7.1 kb
8 x 300 gig 10K 2.5 inch raid 6: 244.1 mb/sec peak iops: 3891.8 avg io 187.6kb / 20.8 kb
8 x 1TB 7.2K 2.5 Raid 6: 199.6 mb/sec peak iops: 590 avg io 97.0kb / 13.0 kb
host 2
8 x 900gig 10K 2.5 inch raid 10: 65.4 mb/sec peak iops: 3882.3 avg io 119/2kb / 31.2kb
8 x 300 gig 10K 2.5 inch raid 6: 87.4 mb/sec peak iops: 4499.6 avg io 45.7kb / 18.9 kb
host 3:
8 x 900gig 10K 2.5 inch raid 10: 174.4 mb/sec peak iops: 5012.7 avg io 47.1kb / 40kb