The only time you should ever use a pressurised basket is if:
1) You only have access to preground coffee
2) The coffee beans you are using are older than around 2 months or so
3) Your grinder is unable to grind the beans fine enough (may be due to item 2, beans being too old)
The term "fake crema" is used because the crema produced by a pressurised basket is not the same type of crema produced when extracting espresso with a single wall basket. The coffee is forced through one tiny hole in the base of the basket, effectively frothing the coffee up due to the force at which it is pushed through this hole. This gives a "crema" effect.
True crema is created from a variety of factors; pressure, coffee bean quality and temperature coming together during the espresso extraction. I don't know the exact science behind why it happens but it's a much different process than what the pressurised basket is doing.
If you do need a pressurised basket to tide you over until you can get a decent grinder, the pressurised baskets from the Breville Dual Boiler and Sunbeam twin thermoblock machines will both fit the Classic portafilter.
Regarding a grinder, one grinder that I never seem to see mentioned is the Bezzera BB005. I have supplied several of these to my customers and have used one in the past. It is a 48mm conical burr, doserless grinder and can be purchased new for around $450 which puts is in the same, or slightly below, the price bracket of most other grinders that are usually recommended.
It also has stepless grind adjustment which is nice.
The only limitation I think is finding a retailer as there doesn't seem to be too many of them around but I think site sponsor Di Bartoli can get them.