what type of wine is proseco?!

Yes
Prosecco: dry, lemony, and bubbling, is Italy's answer to refreshing, well-made, sparkling wine. Created from predominately Prosecco grapes in the northern Veneto region of Italy in the foothills of the Alps, Prosecco is light, affordable, and fun.
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Traditionally Prosecco was made as a soft, somewhat sweet wine with just a little fizz, but today's Proseccos are dry and very bubbly. Sometimes combined with a small amount of Pinot Blanc or Pinot Grigio grapes, Prosecco is made using the Charmat method rather than the Champagne method, the French method of making sparkling wine.

Prosecco is an Italian white wine. Generally a dry(not sweet) sparkling wine most often made from Glera grapes (previously also known as Prosecco grapes). Glera grapes are grown and Prosecco is produced mainly in the Veneto region of Italy, traditionally in an area near Conegliano and Valdobbiadene, in the hills north of Treviso.

Up until the 1960s, Prosecco sparkling wine was generally rather sweet and barely distinguishable from the Asti Spumante wine produced in Piedmont. Since then, production techniques have improved, leading to the high-quality dry wines produced today.

Prosecco is known as the main ingredient of the Bellini cocktail and has more recently become popular as a less expensive substitute for Champagne.

Go to http://en.wikipedia.org/wiki/Prosecco for a really good explanation.

Yeah, Italian sparkling wine. Much of it is cheap and sweet, but there is some good stuff out there too...

It's a white sparkling wine, like a poor man's champagne.