/ New Wheels
I've Campag Khamsins and they're as tough as old boots, whilst looking good and being lighter than most other 'entry level' wheels. They do only come with a Campag freehub, so are not compatible with Shimano / Sram cassettes.
Fulcrum wheels are just as good (made by Campag btw) - Racing 7's are equivalent of Khamsins, Racing 5's are the next step up - and you can get Shimano compatible models.
I'd be inclined to avoid buying a "cheap" pair of factory wheels and blowing the budget on a good hand built rear if that's all you need.
A Mavic Open Pro rim built up with 32 spokes (or 28 if your lightweight) on the best hub you can afford would be a good option. Easier to true and maintain which would be high on my list of priorities if the bike is mainly a commuter.
CRC do an Open Pro built on to a Hope Pro 3 hub for £180, for example.
Read fulcrum wheels,they came fitted with my new Willier road bike and I cannot fault them so far.
Tweeks Cycles are doing Fulcrum 7s with some Continental tires for £138.
That sounds like a pretty big and expensive change, have you looked into all that it entails?
7 speed and friction shifters? Is it an old bike? You may have problems with the hub spacing.
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