Non-Generic Vs. Generic Type

Non-Generic	Similar Generic Type
ArrayList	List<T>
Hashtable	Dictionary<TKey,TValue>
SortedList	SortedList<TKey,TValue>
Queue	Queue<T>
Stack	Stack<T>
Ienumerable	IEnumerable<T>
ICollection	N/A (use IEnumerable<T>anything that extends it)
N/A	ICollection<T>
Ilist	IList<T>
CollectionBase	Collection<T>
ReadOnlyCollectionBase	ReadOnlyCollection<T>
DictionaryBase	N/A (just implement IDictionary<TKey,TValue>
N/A	SortedDictionary<TKey,TValue>
N/A	KeyedCollection<TKey,TItem>
N/A	LinkedList<T>