Here are some excellent ways to enhance your Excel skills and/or VBA skills with training and/or software

Excel Courses
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Add-ins
Code VB & VBA With Code VBA coding tools added to your Visual Basic editor (VBE) you create better VBA Excel macros faster. A set of 17 specialized code builders supports the fast creation of most used code. Use with MS Access, Excel, Word and other VBA applications.

Smart VBA Useful development tool for VBA programmers that was created to build fast and robust VBA code. The program includes a number of intuitively understandable modules that help in programming: Powerful Project Explorer, Procedures and Functions Builder, Properties Builder, Collections Builder, Enum Builder, Enhanced Error Handler Manager, Snippets: code library

Print VBA This add-in enables you to print Microsoft VBA source code in color of your applications across the entire Microsoft Office 2000 suite of applications: Word, Excel, Outlook, Access, PowerPoint, and FrontPage and any other VBA enabled software. Learn just what your Excel Macros do.
RS232C COMxL
COMxL, an ease-to-use and helpful Add-Ons/Add-Ins of MS Excel 97/2000, lets you link your measuring instrument (like Micrometer, Calliper, Temperature, Balance and Bar-Code scanner...) to your any Excel worksheet directly via RS232 or COM port.

COM Excel is a powerful ActiveX Control with over a hundred useful functions to assist in exchanging data between Excel and Visual Basic and much more using COM technology! Included in the download is a sample Visual Basic project which demonstrates the power of Excel Macros & OCX. Download it now and see for yourself how your programming time can be cut down drastically with this handy control!

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Books
Excel Hacks: Tips & Tools for Streamlining Your Spreadsheets. By Ozgrid. NEW 2nd Edition
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