help with host report script

$Information = @()

Foreach ($ESXHost in (Get-VMHost | Get-View | Sort-Object Name)){

  $MyDetails = "" | Select-Object Name, Type, CPU, MEM

  $MyDetails.Name = $ESXHost.Name

  $MyDetails.Type = $ESXHost.Hardware.SystemInfo.Vendor+ " " + $ESXHost.Hardware.SystemInfo.Model

  $MyDetails.CPU = "PROC:" + $ESXHost.Hardware.CpuInfo.NumCpuPackages + " CORES:" + $ESXHost.Hardware.CpuInfo.NumCpuCores + " MHZ: " + [math]::round($ESXHost.Hardware.CpuInfo.Hz / 1000000, 0)

  $MyDetails.MEM = "" + [math]::round($ESXHost.Hardware.MemorySize / 1GB, 0) + " GB"

  $Information += $MyDetails

}

$Information