A few VS macros to open powershell.

Open PowerShell Macros.vb

Option Infer On
Option Compare Text

Imports System
Imports EnvDTE
Imports EnvDTE80
Imports EnvDTE90
Imports EnvDTE90a
Imports EnvDTE100
Imports System.Diagnostics
Imports System.IO

Public Module OpenInPowerShellModule
    Public Sub OpenPowerShellHere_Solution()
        Dim directory = Path.GetDirectoryName(DTE.Solution.FullName)
        OpenPowerShell(directory)
    End Sub

    Public Sub OpenPowerShellHere_Project()
        Dim activeProject = GetActiveProject()
        Dim directory = Path.GetDirectoryName(activeProject.FileName)

        OpenPowerShell(directory)
    End Sub

    Public Sub OpenPowerShellHere_ProjectItem()
        Dim x As UIHierarchyItem = DTE.ToolWindows.SolutionExplorer.SelectedItems(0)
        Dim item As ProjectItem = x.Object
        Dim directory = Path.GetDirectoryName(item.FileNames(0))
        OpenPowerShell(directory)
    End Sub

    Private Sub OpenPowerShell(ByVal directory As String)
        Dim p = New System.Diagnostics.Process()
        p.StartInfo = New ProcessStartInfo("C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe")
        p.StartInfo.UseShellExecute = True
        p.StartInfo.Arguments = "-PSConsoleFile ""C:\Program Files (x86)\Microsoft Team Foundation Server 2008 Power Tools\tfshell.psc1"" " & _
                                "-noexit " & _
                                "-command "". 'C:\Program Files (x86)\Microsoft Team Foundation Server 2008 Power Tools\TFSSnapin.ps1'"""
        p.StartInfo.WorkingDirectory = directory
        p.Start()
    End Sub

    Private Function GetActiveProject() As Project
        Dim activeProject As Project = Nothing

        Dim activeProjects() As Object = DTE.ActiveSolutionProjects
        If activeProjects IsNot Nothing AndAlso activeProjects.Length > 0 Then
            activeProject = CType(activeProjects.GetValue(0), Project)
        End If

        Return activeProject
    End Function

End Module