KNEELERS - Kneelers provide cushion to the knees while working in beds. They can be just a simple pad or a folding frame providing support when standing and turned over, a place to sit.
Sources:  Brookstone, Gardener's Supply, Improvements, many others.
Price:  Pads range from $5 to $20. Folding kneelers start around $40 and range to $100+.
Comments:  The Brookstone kneeler ($50) is very nice.  It provides a very durable kneeling surface, provides handles to help push yourself up, converts to a sitting stool and folds compact.

LONG-HANDLE TOOLS - This category usually consists of shovels, rakes and hoes, but there are also long handled variants of spades, trowels and pullers.
Sources:  Conventional long-handle tools can be found at any hardware, home improvement or garden center.  Two sources for garden specific tools are Snow and Nealley and Garden Talk.   Each offer complete sets of garden specific tools with long (10"+) handles.  Garden Talk's set also includes 30" extension handles to reach deeper beds.
Price:  Conventional tools start around $12.  The garden specific tools start around $12 for a single item.  The Snow and Nealley set (9 different tools) is just over $300.  The Garden Talk set (7 tools) is about $65.  Different length extension handles are $6 (15") and $7 (38").

SPECIAL TOOLS - The Tiny Tim seed dispenser is helpful for any one with tremors.  The wedge shaped trowel has inserts that fit inside the scoop to hold a handful of seeds.  The various inserts have different sized holes to allow single, small seeds or larger seeds to pass through.
Sources:  Various
Price:  $5

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